SKIP TO CONTENT

Slightly Obscure Words: Letters A-C

Now, I'm not saying these words are particularly obscure. I'm saying they're SLIGHTLY obscure. There IS a diff...
400 words 13 learners

Learn words with Flashcards and other activities

Full list of words from this list:

  1. barbital
    a barbiturate used as a hypnotic
  2. bimillenary
    the 2000th anniversary (or the celebration of it)
  3. accretionary
    marked or produced by accretion
  4. attrited
    worn by rubbing or friction
  5. abulic
    suffering from abulia
  6. beguine
    a ballroom dance that originated in the French West Indies
  7. avionic
    of or relating to avionics
  8. antemeridian
    before noon
  9. acclivitous
    sloping upward
  10. antipruritic
    a substance that relieves or prevents itching
  11. bruxism
    involuntarily or unconsciously clenching or grinding the teeth, typically during sleep
  12. acarpous
    producing no fruit
  13. antemortem
    preceding death
  14. agonal
    pertaining to or associated with agony
  15. anchoritic
    characterized by ascetic solitude
  16. blintz
    a thin pancake folded around a filling and fried or baked
  17. asthenopia
    a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem
  18. bathymetry
    measuring the depths of the oceans
  19. achondroplasia
    an inherited skeletal disorder beginning before birth
  20. carcinoid
    a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin
  21. aldosterone
    a corticosteroid hormone that is secreted by the cortex of the adrenal gland; regulates salt (sodium and potassium) and water balance
  22. bowdlerize
    edit by omitting or modifying parts considered indelicate
  23. brumous
    filled or abounding with fog or mist
  24. benight
    overtake with darkness or night
  25. avocational
    of or involved in an avocation
  26. beignet
    a deep-fried doughnut dusted with confectioners' sugar
  27. adiposity
    having the property of containing fat
  28. agranulocytosis
    an acute blood disorder (often caused by radiation or drug therapy) characterized by severe reduction in granulocytes
  29. balletomane
    a ballet enthusiast
  30. benne
    East Indian annual erect herb
  31. alliaceous
    of or pertaining to the botanical genus Allium
  32. cerebrate
    exercise the mind in order to reason or make inferences
  33. appetence
    a feeling of craving something
  34. bedizen
    decorate tastelessly
  35. abnegate
    deny or renounce
  36. bacchanalia
    a wild gathering
  37. bellwort
    any of various plants of the genus Uvularia having yellowish drooping bell-shaped flowers
  38. blastocyst
    the blastula of a placental mammal in which some differentiation of cells has occurred
  39. banderillero
    the bullfighter who implants decorated darts (banderillas) into the neck or shoulders of the bull during a bull fight
  40. besot
    make someone dazed or foolish
  41. betise
    a stupid mistake
  42. briquette
    a block made from charcoal or coal dust and burned as fuel
  43. adscititious
    added or derived from something outside; not inherent
  44. ambidexterity
    the property of being equally skillful with each hand
  45. allegiant
    steadfast in devotion
  46. apiculture
    the cultivation of bees for the production of honey
  47. aesthetician
    a philosopher who specializes in the nature of beauty
  48. basinet
    a medieval steel helmet
  49. bowknot
    a knot with two loops and loose ends; used to tie shoelaces
  50. bearnaise
    a sauce like hollandaise but made with white wine and tarragon and shallots instead of lemon juice
  51. baksheesh
    a relatively small amount of money given for services rendered (as by a waiter)
  52. bastille
    a jail or prison
  53. bulgur
    parched crushed wheat
  54. bedaub
    spread or daub (a surface)
  55. cloddish
    heavy and dull and stupid
  56. agnomen
    an additional name or an epithet appended to a name
  57. bourgeon
    produce buds, branches, or germinate
  58. baklava
    dessert made of flaky pastry, nuts, and honey
  59. bolometer
    an instrument that measures heat radiation
  60. bodacious
    not held back by conventional ideas of behavior
  61. birder
    a person who enjoys watching feathered animals
  62. ballista
    an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
  63. attachable
    capable of being fastened or added to something else
  64. anoxia
    severe hypoxia
  65. anneal
    bring to a desired consistency by heating and cooling
  66. amniocentesis
    (pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities
  67. cloisonne
    enamelware in which colored areas are separated by thin metal strips
  68. barbiturate
    organic compound having powerful soporific effect
  69. bailey
    a defensive wall surrounding the outer courtyard of a castle
  70. acephalous
    lacking a head or a clearly defined head
  71. cacoethes
    an irrational but irresistible motive for a belief or action
  72. bain-marie
    a large pan that is filled with hot water
  73. antepenultimate
    third from last
  74. agendum
    a list of matters to be taken up (as at a meeting)
  75. batik
    a dyed fabric
  76. blahs
    a general feeling of boredom and dissatisfaction
  77. alumna
    a woman who has received a degree from a school
  78. bidet
    a basin for washing genitals and anal area
  79. balalaika
    a stringed instrument that has a triangular body and three strings
  80. accelerometer
    an instrument for measuring the acceleration of aircraft or rockets
  81. barcarole
    a boating song sung by Venetian gondoliers
  82. bourguignon
    reduced red wine with onions and parsley and thyme and butter
  83. amaurosis
    partial or total loss of sight without pathology of the eye
  84. bonsai
    a dwarfed ornamental tree or shrub grown in a tray or shallow pot
  85. analgesia
    absence of the sense of pain without loss of consciousness
  86. butyl
    a hydrocarbon radical (C4H9)
  87. burgoo
    thick spicy stew of whatever meat and whatever vegetables are available; southern United States
  88. bordelaise
    brown sauce with beef marrow and red wine
  89. bifurcate
    split or divide into two
  90. boutonniere
    a flower that is worn in a buttonhole
  91. barbell
    a bar to which heavy discs are attached at each end
  92. avifauna
    the birds of a particular region or period
  93. amercement
    money extracted as a penalty
  94. berceuse
    a quiet song intended to lull a child to sleep
  95. avionics
    science and technology of electronic systems and devices for aeronautics and astronautics
  96. bradawl
    an awl for making small holes for brads or small screws
  97. bezel
    a sloping edge on a cutting tool
  98. balladeer
    a singer of popular ballads
  99. anesthetist
    a specialist who administers an anesthetic to a patient before he is treated
  100. braise
    slowly cook in fat and some liquid
  101. asseverate
    state categorically
  102. amphora
    an ancient jar with two handles and a narrow neck
  103. analgesic
    capable of relieving pain
  104. caliper
    an instrument for measuring the distance between two points
  105. ampulla
    a flask that has two handles
  106. aluminous
    pertaining to or containing aluminum or alum
  107. consomme
    a clear soup usually made with beef, veal, or chicken
  108. causerie
    light informal conversation for social occasions
  109. actinomycosis
    disease of cattle that can be transmitted to humans
  110. borscht
    a soup containing beet juice as a foundation
  111. caryatid
    a supporting column carved in the shape of a person
  112. borzoi
    tall fast-moving dog breed
  113. apteryx
    nocturnal flightless bird of New Zealand having a long neck and stout legs; only surviving representative of the order Apterygiformes
  114. bouffant
    a woman's hairstyle in which the hair gives a puffy appearance
  115. alternator
    a device that converts mechanical energy into electric energy (especially in cars)
  116. agitprop
    political propaganda communicated via art and literature
  117. brail
    a small rope (one of several) used to draw a sail in
  118. andiron
    metal supports for logs in a fireplace
  119. beriberi
    avitaminosis caused by lack of thiamine (vitamin B1)
  120. collusive
    acting together in secret toward a fraudulent or illegal end
  121. bassinet
    a basket (usually hooded) used as a baby's bed
  122. baguette
    a long, narrow loaf of French bread
  123. auscultation
    listening to sounds within the body with a stethoscope
  124. Bahai
    a teacher of or believer in Bahaism
  125. agouti
    agile long-legged rabbit-sized rodent of Central America and South America and the West Indies; valued as food
  126. bandeau
    an undergarment worn by women to support their breasts
  127. bibulous
    given to or marked by the consumption of alcohol
  128. creche
    a representation of Christ's nativity at Bethlehem
  129. bulimia
    a disorder of eating in which the person alternates between strong craving for food and aversion to food; characterized by excessive eating followed by periods of fasting or self-induced vomiting
  130. brassiere
    an undergarment worn by women to support their breasts
  131. bougainvillea
    any of several South American ornamental woody vines of the genus Bougainvillea having brilliant red or purple flower bracts; widely grown in warm regions
  132. bandicoot
    any of various agile ratlike terrestrial marsupials of Australia and adjacent islands; insectivorous and herbivorous
  133. antimacassar
    a piece of ornamented cloth that protects the back of a chair from hair oils
  134. alopecia
    partial or complete loss of hair
  135. batiste
    a thin plain-weave cotton or linen fabric
  136. behoove
    be appropriate or necessary
  137. appurtenance
    equipment consisting of miscellaneous articles
  138. beluga
    valuable source of caviar and isinglass
  139. abattoir
    a building where animals are butchered
  140. blase
    nonchalantly unconcerned
  141. beatnik
    a young person who rejects conventional ideas and behavior
  142. bailee
    the agent to whom property involved in a bailment is delivered
  143. eon
    the longest unit of geological time
  144. blancmange
    a sweet milk pudding thickened with gelatin or cornstarch
  145. bechamel
    milk thickened with a butter and flour roux
  146. aesthete
    one who professes great sensitivity to the beauty of art
  147. bronchus
    either of the two main branches of the trachea
  148. bacchanal
    a wild gathering
  149. ballyhoo
    blatant or sensational promotion
  150. cruet
    bottle that holds wine or oil or vinegar for the table
  151. bouillabaisse
    a tomato-based soup or stew with several kinds of fish or shellfish
  152. apothegm
    a short pithy instructive saying
  153. aficionado
    a serious devotee of some activity, genre, or performer
  154. bursar
    the treasurer at a college or university
  155. apiarian
    relating to bees or beekeeping
  156. bathos
    a change from a serious subject to a disappointing one
  157. baluster
    one of a number of closely spaced supports for a railing
  158. attenuate
    become weaker, in strength, value, or magnitude
  159. carcinoma
    any malignant tumor derived from epithelial tissue
  160. borage
    hairy blue-flowered European annual herb long used in herbal medicine and eaten raw as salad greens or cooked like spinach
  161. bandolier
    a broad cartridge belt worn over the shoulder by soldiers
  162. antedate
    be earlier in time than
  163. baldpate
    a person whose head is bald
  164. acuity
    sharpness of vision
  165. agonize
    suffer anguish
  166. calorific
    of or relating to the energy in food
  167. bagnio
    a building containing public baths
  168. banzai
    a Japanese cheer of enthusiasm or triumph
  169. crudity
    an impolite manner that is vulgar and lacking tact or refinement
  170. bamboozle
    conceal one's true motives from
  171. baldric
    a wide (ornamented) belt worn over the right shoulder to support a sword or bugle by the left hip
  172. bodega
    small shop selling groceries, especially in a Hispanic area
  173. Afrikaans
    an official language of the Republic of South Africa
  174. chutzpah
    unbelievable gall; insolence; audacity
  175. apiary
    a shed containing a number of beehives
  176. botcher
    someone who makes mistakes because of incompetence
  177. aseptic
    free of pathological microorganisms
  178. basil
    edible leaves of an aromatic herb, used fresh or dried
  179. arteriosclerosis
    sclerosis of the arterial walls
  180. archivist
    a person in charge of a repository of documents and records
  181. beldam
    a woman of advanced age
  182. bombazine
    a twilled fabric used for dresses
  183. banquette
    an upholstered bench
  184. catharsis
    purging the body to stimulate evacuation of the bowels
  185. bisque
    a thick, creamy soup made from shellfish
  186. bellicose
    having or showing a ready disposition to fight
  187. bergamot
    small tree with pear-shaped fruit whose oil is used in perfumery; Italy
  188. avuncular
    being or relating to an uncle
  189. Baedeker
    German publisher of a series of travel guidebooks
  190. academe
    the community or environment of colleges and universities
  191. buskin
    a boot reaching halfway up to the knee
  192. amputate
    remove surgically
  193. cloy
    become sickeningly sweet or excessive
  194. benison
    a spoken blessing
  195. baht
    the basic unit of money in Thailand
  196. beatific
    resembling or befitting an angel or saint
  197. bourbon
    whiskey distilled from a mash of corn and malt and rye
  198. badinage
    frivolous banter
  199. capitulum
    a dense cluster of flowers or foliage
  200. animadversion
    harsh criticism or disapproval
  201. ancillary
    furnishing added support
  202. blah
    pompous or pretentious talk or writing
  203. cheetah
    long-legged spotted cat of Africa and southwestern Asia having nonretractile claws; the swiftest mammal; can be trained to run down game
  204. asinine
    devoid of intelligence
  205. baccarat
    a card game played in casinos in which two or more punters gamble against the banker; the player wins who holds 2 or 3 cards that total closest to nine
  206. barrio
    a district in a Spanish-speaking country
  207. balaclava
    a tight knit cap that covers the entire head and neck
  208. cajolery
    flattery intended to persuade
  209. axial
    situated on or along or in the direction of an axis
  210. bailiwick
    one's particular area of interest or branch of knowledge
  211. cogency
    the quality of being valid and rigorous
  212. anachronistic
    chronologically misplaced
  213. actuate
    put in motion
  214. boreal
    toward or located in the north
  215. carillon
    set of bells hung in a bell tower
  216. aver
    declare or affirm solemnly and formally as true
  217. bombardier
    the member of a bomber crew responsible for using the bombsight and releasing the bombs on the target
  218. banality
    a trite or obvious remark
  219. bevel
    a sloping edge where two surfaces meet at a non-right angle
  220. braggadocio
    vain and empty boasting
  221. arrogate
    seize and take control without authority
  222. cloying
    overly sweet
  223. aconite
    any of various usually poisonous plants of the genus Aconitum having tuberous roots and palmately lobed leaves and blue or white flowers
  224. charnel
    gruesomely indicative of death or the dead
  225. balky
    stopping short and refusing to go on
  226. aspersion
    a disparaging remark
  227. avian
    pertaining to or characteristic of birds
  228. bumptious
    offensively self-assertive
  229. bolo
    a cord fastened around the neck with an ornamental clasp and worn as a necktie
  230. bonhomie
    a disposition to be friendly and approachable
  231. bannock
    a flat bread made of oat or barley flour
  232. cynosure
    something that provides guidance
  233. biped
    an animal that walks on two legs
  234. amuck
    wildly; without self-control
  235. beige
    of a light grayish-brown color
  236. beadle
    a minor parish official who serves smaller church functions
  237. ballade
    a poem consisting of 3 stanzas and an envoy
  238. connubial
    relating to marriage or the relationship between spouses
  239. blazon
    the official symbols of a family, state, etc.
  240. apposite
    being of striking appropriateness and pertinence
  241. bravura
    brilliant and showy technical skill
  242. banshee
    a female spirit who wails to warn of impending death
  243. bowlder
    a large smooth mass of rock detached from its place of origin
  244. bodkin
    a dagger with a slender blade
  245. bawdy
    humorously vulgar
  246. blarney
    flattery designed to gain favor
  247. anathema
    a formal ecclesiastical curse accompanied by excommunication
  248. academia
    the world of higher learning
  249. basilisk
    a serpent able to kill with its breath or glance
  250. cathartic
    emotionally purging
  251. bagatelle
    something of little value or significance
  252. baroque
    relating to an elaborately ornamented style of art and music
  253. cosmogony
    the branch of astrophysics that studies the origin and evolution and structure of the universe
  254. bureaucrat
    a nonelective government official
  255. anesthetic
    a drug that causes temporary loss of bodily sensations
  256. avoirdupois
    a system of weights based on the 16-ounce pound
  257. anecdotal
    based on stories rather than data or scientific observation
  258. crux
    the most important point
  259. colliery
    a workplace consisting of a coal mine plus all the buildings and equipment connected with it
  260. bismuth
    a heavy brittle diamagnetic trivalent metallic element
  261. amanuensis
    someone skilled in the transcription of speech
  262. bastion
    projecting part of a rampart or other fortification
  263. bobbin
    a spool around which thread or other material can be wound
  264. confute
    prove to be false
  265. celibate
    abstaining from sexual intercourse
  266. chicanery
    the use of tricks to deceive someone
  267. blunderbuss
    a short musket of wide bore with a flared muzzle
  268. anemic
    relating to or having a deficiency of red blood cells
  269. benignly
    in a benign manner
  270. casuistry
    argumentation that is specious or excessively subtle
  271. codicil
    a supplement to a will
  272. bouillon
    a clear seasoned broth
  273. anesthesia
    loss of bodily sensation
  274. attache
    a specialist assigned to the staff of a diplomatic mission
  275. carouse
    celebrate or enjoy something in a noisy or wild way
  276. aforementioned
    being the one previously spoken of
  277. choler
    a humor that was once believed to be secreted by the liver and to cause irritability and anger
  278. bludgeon
    a club used as a weapon
  279. cortege
    the group following and attending to some important person
  280. amalgam
    a combination or blend of diverse things
  281. banns
    a public announcement of a proposed marriage
  282. agog
    highly excited
  283. antediluvian
    of or relating to the period before the biblical flood
  284. bucolic
    devoted to raising sheep or cattle
  285. anchorite
    one retired from society for religious reasons
  286. bourgeoisie
    a socioeconomic group that is neither wealthy nor poor
  287. cog
    tooth on the rim of gear wheel
  288. amorphous
    having no definite form or distinct shape
  289. cognate
    related by blood
  290. belvedere
    densely branched Eurasian plant
  291. benefice
    an endowed church office giving income to its holder
  292. arterial
    of or involving or contained in the arteries
  293. bulbous
    rounded and bulging
  294. brevet
    a document entitling a commissioned officer to hold a higher rank temporarily (but without higher pay)
  295. Adonis
    a handsome youth loved by both Aphrodite and Persephone
  296. baize
    a bright green fabric napped to resemble felt
  297. charlatan
    a flamboyant deceiver
  298. barbican
    a tower that is part of a defensive structure
  299. barouche
    a horse-drawn carriage having four wheels
  300. altruistic
    showing unselfish concern for the welfare of others
  301. acrimonious
    marked by strong resentment or cynicism
  302. benignity
    the quality of being kind and gentle
  303. attrition
    the act of rubbing together
  304. borax
    a white mineral used in cleaning, glassmaking, and cosmetics
  305. bacillus
    aerobic rod-shaped spore-producing bacterium
  306. ballistic
    of the motion of objects moving under their own momentum
  307. annul
    cancel officially
  308. chattel
    personal property, as opposed to real estate
  309. churlish
    having a bad disposition; surly
  310. anachronism
    locating something at a time when it couldn't have existed
  311. cede
    give over
  312. arrant
    complete and without qualification
  313. antenna
    one of a pair of mobile appendages on the head of insects
  314. coadjutor
    an assistant to a bishop
  315. brogue
    a thick and heavy shoe
  316. adroitness
    skillful performance or ability without difficulty
  317. bauxite
    a clay-like mineral
  318. bounteous
    given or giving freely
  319. bestial
    resembling an animal, especially by being vicious or cruel
  320. bicameral
    consisting of two chambers
  321. Caucasian
    of or relating to Caucasian people
  322. buttress
    a support usually of stone or brick
  323. coterie
    an exclusive circle of people with a common purpose
  324. cogent
    powerfully persuasive
  325. binary
    of or pertaining to a number system having 2 as its base
  326. babbitt
    an alloy of tin with some copper and antimony
  327. brazier
    large metal container in which coal or charcoal is burned
  328. apostasy
    rejection of religious beliefs, political party, or cause
  329. basal
    serving as or forming a bottom layer
  330. Bolshevik
    a Russian member of the left-wing majority group that followed Lenin and eventually became the Russian communist party
  331. bevy
    a flock of birds
  332. aquiline
    curved down like an eagle's beak
  333. apartheid
    a social policy of racial segregation
  334. bight
    a bend or curve (especially in a coastline)
  335. bantam
    any of various small breeds of fowl
  336. colonnade
    structure consisting of a row of evenly spaced columns
  337. bruin
    large ferocious bear of Eurasia
  338. attenuated
    reduced in strength
  339. adage
    a condensed but memorable saying embodying an important fact
  340. cordon
    a series of sentinels or posts enclosing some place or thing
  341. Bartlett
    United States publisher and editor who compiled a book of familiar quotations (1820-1905)
  342. affidavit
    written declaration made under oath
  343. agrarian
    relating to rural matters
  344. burgher
    a citizen of an English borough
  345. alluvial
    relating to deposits carried by rushing streams
  346. bairn
    a child: son or daughter
  347. culpable
    deserving blame or censure as being wrong or injurious
  348. bodice
    part of a dress above the waist
  349. benighted
    overtaken by darkness
  350. conclave
    a confidential or secret meeting
  351. beryl
    the chief source of beryllium
  352. baritone
    the second lowest adult male singing voice
  353. basilica
    a Roman building used for public administration
  354. balsam
    a scented sap used in medicines and perfumes
  355. bullion
    a mass of precious metal
  356. bivouac
    temporary living quarters specially built by the army for soldiers
  357. celibacy
    abstaining from sexual relations
  358. balustrade
    a railing at the side of a staircase or balcony
  359. billet
    provide housing for (military personnel)
  360. cornice
    the topmost projecting part of an entablature
  361. antiquary
    an expert or collector of antiquities
  362. ague
    chills and fever that are symptomatic of malaria
  363. copse
    a dense growth of trees, shrubs, or bushes
  364. bishopric
    the territorial jurisdiction of a bishop
  365. arrears
    the state of being behind in payments
  366. conjugal
    relating to the relationship between a wife and husband
  367. enigma
    something that baffles understanding and cannot be explained
  368. bruise
    a small injury that results in discoloration
  369. antiquarian
    of or relating to artifacts or objects from the past
  370. batten
    a strip fixed to something to hold it firm
  371. bier
    a stand to support a corpse or a coffin prior to burial
  372. credulous
    showing a lack of judgment or experience
  373. boycott
    refusal to have commercial dealings with some organization
  374. barrister
    a British lawyer who speaks in the higher courts of law
  375. boudoir
    a lady's bedroom or private sitting room
  376. burlesque
    a theatrical entertainment of broad and earthy humor
  377. brougham
    light carriage; pulled by a single horse
  378. ascetic
    someone who practices self denial as a spiritual discipline
  379. alderman
    a member of a city or town government
  380. ado
    a great deal of fuss, concern, or commotion
  381. bloc
    a group united for a particular purpose
  382. adjutant
    an officer who acts as an assistant to a more senior officer
  383. amorous
    inclined toward or displaying love
  384. ante
    the initial contribution that each player makes to the pot
  385. beech
    any of several large deciduous trees with rounded spreading crowns and smooth grey bark and small sweet edible triangular nuts enclosed in burs; north temperate regions
  386. collier
    someone who works in a coal mine
  387. bourgeois
    being of the property-owning class
  388. borough
    an English town
  389. beau
    a man with whom one has a romantic relationship
  390. biscuit
    small round bread leavened with baking-powder or soda
  391. arable
    capable of being farmed productively
  392. clerical
    appropriate for or engaged in office work
  393. Boer
    a white native of Cape Province who is a descendant of Dutch settlers and who speaks Afrikaans
  394. ether
    compound with an oxygen atom linking two hydrocarbon groups
  395. baronet
    a member of the British order of honor
  396. academic
    associated with an educational institution
  397. Belgium
    a monarchy in northwestern Europe
  398. agony
    intense feelings of suffering; acute mental or physical pain
  399. avoid
    stay away from
  400. relief
    the act of reducing something unpleasant
Created on Thu Mar 08 19:01:07 EST 2012 (updated Thu Mar 08 19:05:17 EST 2012)

Sign up now (it’s free!)

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.