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I-list 273 words

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  1. inveterate
    habitual
  2. ibidem
    in the same place (used when citing a reference)
  3. ichthyology
    the branch of zoology that studies fishes
  4. iconoclast
    someone who attacks cherished ideas or traditional institutions
  5. idiosyncrasy
    a behavioral attribute that is distinctive and peculiar to an individual
  6. idyllic
    suggestive of an idyll; charmingly simple and serene
  7. ignoble
    completely lacking nobility in character or quality or purpose
  8. ilk
    a kind of person
  9. illicit
    contrary to accepted morality (especially sexual morality) or convention
  10. illimitable
    without limits in extent or size or quantity
  11. illusory
    based on or having the nature of an illusion
  12. illustrious
    widely known and esteemed
  13. imbibe
    take in liquids
  14. imbue
    spread or diffuse through
  15. immaculate
    completely neat and clean
  16. immaterial
    (often followed by `to') lacking importance; not mattering one way or the other
  17. immense
    unusually great in size or amount or degree or especially extent or scope
  18. immerse
    cause to be immersed
  19. imminent
    close in time; about to occur
  20. immobile
    not capable of movement or of being moved
  21. immolate
    offer as a sacrifice by killing or by giving up to destruction
  22. immunity
    (medicine) the condition in which an organism can resist disease
  23. immure
    lock up or confine, in or as in a jail
  24. immutable
    not subject or susceptible to change or variation in form or quality or nature
  25. impair
    make worse or less effective
  26. impale
    pierce with a sharp stake or point
  27. impartial
    free from undue bias or preconceived opinions
  28. impasse
    a situation in which no progress can be made or no advancement is possible
  29. impassioned
    characterized by intense emotion
  30. impassive
    having or revealing little emotion or sensibility; not easily aroused or excited
  31. impeach
    bring an accusation against; level a charge against
  32. impeccable
    without fault or error
  33. impecunious
    not having enough money to pay for necessities
  34. impede
    be a hindrance or obstacle to
  35. impediment
    something immaterial that interferes with or delays action or progress
  36. impel
    urge or force (a person) to an action; constrain or motivate
  37. impending
    close in time; about to occur
  38. imperative
    requiring attention or action
  39. imperceptible
    impossible or difficult to perceive by the mind or senses
  40. imperialism
    a policy of extending your rule over foreign countries
  41. imperil
    pose a threat to; present a danger to
  42. imperious
    having or showing arrogant superiority to and disdain of those one views as unworthy
  43. impertinent
    improperly forward or bold
  44. imperturbable
    not easily perturbed or excited or upset; marked by extreme calm and composure
  45. impervious
    not admitting of passage or capable of being affected
  46. impetuous
    characterized by undue haste and lack of thought or deliberation
  47. impetus
    a force that moves something along
  48. impinge
    impinge or infringe upon
  49. implant
    fix or set securely or deeply
  50. implausible
    highly imaginative but unlikely
  51. implement
    instrumentation (a piece of equipment or tool) used to effect an end
  52. implicate
    bring into intimate and incriminating connection
  53. implicit
    implied though not directly expressed; inherent in the nature of something
  54. implore
    call upon in supplication; entreat
  55. implosion
    a sudden inward collapse
  56. impolitic
    not politic
  57. imponderable
    difficult or impossible to evaluate with precision
  58. import
    bring in from abroad
  59. importune
    beg persistently and urgently
  60. imposing
    used of a person's appearance or behavior; befitting an eminent person
  61. imposition
    the act of imposing something (as a tax or an embargo)
  62. impotent
    (of a male) unable to copulate
  63. impound
    place or shut up in a pound
  64. imprecation
    the act of calling down a curse that invokes evil (and usually serves as an insult)
  65. impregnable
    immune to attack; incapable of being tampered with
  66. impresario
    a sponsor who books and stages public entertainments
  67. impressionable
    easily impressed or influenced
  68. Impressionism
    a school of late 19th century French painters who pictured appearances by strokes of unmixed colors to give the impression of reflected light
  69. imprimatur
    formal and explicit approval
  70. impromptu
    with little or no preparation or forethought
  71. improvise
    manage in a makeshift way; do with whatever is at hand
  72. impudence
    the trait of being rude and impertinent; inclined to take liberties
  73. impugn
    attack as false or wrong
  74. impulse
    an impelling force or strength
  75. impulsive
    without forethought
  76. impunity
    exemption from punishment or loss
  77. impute
    attribute or credit to
  78. in toto
    in entirety
  79. inadvertent
    happening by chance or unexpectedly or unintentionally
  80. inadvisable
    not advisable
  81. inalienable
    incapable of being repudiated or transferred to another
  82. inane
    devoid of intelligence
  83. inanimate
    not endowed with life
  84. inaudible
    impossible to hear; imperceptible by the ear
  85. inaugurate
    commence officially
  86. inborn
    normally existing at birth
  87. incalculable
    not capable of being computed or enumerated
  88. incandescent
    emitting light as a result of being heated
  89. incantation
    a ritual recitation of words or sounds believed to have a magical effect
  90. incapacitate
    make unable to perform a certain action
  91. incarcerate
    lock up or confine, in or as in a jail
  92. incarnate
    possessing or existing in bodily form
  93. incendiary
    capable of catching fire spontaneously or causing fires or burning readily
  94. incense
    make furious
  95. incentive
    a positive motivational influence
  96. incessant
    uninterrupted in time and indefinitely long continuing
  97. incest
    sexual intercourse between persons too closely related to marry (as between a parent and a child)
  98. inchoate
    only partly in existence; imperfectly formed
  99. incidental
    (sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence
  100. incinerate
    become reduced to ashes
  101. incipient
    only partly in existence; imperfectly formed
  102. incision
    the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)
  103. incisive
    having or demonstrating ability to recognize or draw fine distinctions
  104. incite
    provoke or stir up
  105. incivility
    deliberate discourtesy
  106. inclement
    (of weather or climate) severe
  107. inclusive
    including much or everything; and especially including stated limits
  108. incognito
    without revealing one's identity
  109. incommunicado
    without the means or right to communicate
  110. incomparable
    such that comparison is impossible; unsuitable for comparison or lacking features that can be compared
  111. incompatibility
    the quality of being unable to exist or work in congenial combination
  112. inconceivable
    totally unlikely
  113. incongruous
    lacking in harmony or compatibility or appropriateness
  114. inconsiderate
    lacking regard for the rights or feelings of others
  115. inconspicuous
    not prominent or readily noticeable
  116. incontrovertible
    impossible to deny or disprove
  117. incorporate
    make into a whole or make part of a whole
  118. incorrigible
    impervious to correction by punishment
  119. incredulous
    not disposed or willing to believe; unbelieving
  120. increment
    the amount by which something increases
  121. incriminate
    suggest that someone is guilty
  122. incubus
    a male demon believed to lie on sleeping persons and to have sexual intercourse with sleeping women
  123. inculcate
    teach and impress by frequent repetitions or admonitions
  124. inculpate
    suggest that someone is guilty
  125. incumbent
    necessary (for someone) as a duty or responsibility; morally binding
  126. incursion
    the act of entering some territory or domain (often in large numbers)
  127. indecent
    not in keeping with accepted standards of what is right or proper in polite society
  128. indecorous
    lacking propriety and good taste in manners and conduct
  129. indelible
    cannot be removed or erased
  130. indemnity
    protection against future loss
  131. indict
    accuse formally of a crime
  132. indifferent
    marked by a lack of interest
  133. indigenous
    originating where it is found
  134. indigent
    poor enough to need help from others
  135. indignant
    angered at something unjust or wrong
  136. indiscreet
    lacking discretion; injudicious
  137. indiscriminate
    failing to make or recognize distinctions
  138. indispensable
    not to be dispensed with; essential
  139. indistinct
    not clearly defined or easy to perceive or understand
  140. indolent
    disinclined to work or exertion
  141. indomitable
    impossible to subdue
  142. indubitable
    too obvious to be doubted
  143. induce
    cause to do; cause to act in a specified manner
  144. indulge
    yield (to); give satisfaction to
  145. indurate
    make hard or harder
  146. industrious
    characterized by hard work and perseverance
  147. inebriate
    make drunk (with alcoholic drinks)
  148. ineffable
    defying expression or description
  149. ineffectual
    not producing an intended effect
  150. ineluctable
    impossible to avoid or evade:"inescapable conclusion"
  151. inept
    generally incompetent and ineffectual
  152. inert
    unable to move or resist motion
  153. inestimable
    beyond calculation or measure
  154. inevitable
    incapable of being avoided or prevented
  155. inexorable
    not to be placated or appeased or moved by entreaty
  156. infallible
    incapable of failure or error
  157. infamous
    known widely and usually unfavorably
  158. infamy
    a state of extreme dishonor
  159. infantry
    an army unit consisting of soldiers who fight on foot
  160. infatuate
    arouse unreasoning love or passion in and cause to behave in an irrational way
  161. infer
    conclude by reasoning; in logic
  162. infernal
    characteristic of or resembling Hell
  163. infidel
    a person who does not acknowledge your god
  164. infidelity
    the quality of being unfaithful
  165. infiltrate
    pass through an enemy line; in a military conflict
  166. infinitesimal
    infinitely or immeasurably small
  167. infirmary
    a health facility where patients receive treatment
  168. infirmity
    the state of being weak in health or body (especially from old age)
  169. inflammatory
    arousing to action or rebellion
  170. influx
    the process of flowing in
  171. infraction
    a crime less serious than a felony
  172. infringe
    advance beyond the usual limit
  173. infuriate
    make furious
  174. infuse
    fill, as with a certain quality
  175. ingenious
    showing inventiveness and skill
  176. ingrate
    a person who shows no gratitude
  177. ingratiate
    gain favor with somebody by deliberate efforts
  178. ingress
    the act of entering
  179. inherent
    existing as an essential constituent or characteristic
  180. inhibit
    limit the range or extent of
  181. inimical
    not friendly
  182. inimitable
    defying imitation; matchless
  183. iniquitous
    characterized by iniquity; wicked because it is believed to be a sin
  184. iniquity
    absence of moral or spiritual values
  185. initiate
    set in motion, start an event or prepare the way for
  186. initiation
    the act of starting something for the first time; introducing something new
  187. injunction
    (law) a judicial remedy issued in order to prohibit a party from doing or continuing to do a certain activity
  188. inkling
    a slight suggestion or vague understanding
  189. innate
    present at birth but not necessarily hereditary; acquired during fetal development
  190. innervate
    stimulate to action
  191. innocuous
    not injurious to physical or mental health
  192. innovative
    being or producing something like nothing done or experienced or created before
  193. innuendo
    an indirect (and usually malicious) implication
  194. inopportune
    not opportune
  195. inordinate
    beyond normal limits
  196. inquest
    an inquiry into the cause of an unexpected death
  197. inquisition
    a severe interrogation (often violating the rights or privacy of individuals)
  198. inquisitive
    inquiring or appearing to inquire
  199. insatiable
    impossible to satisfy
  200. inscribe
    carve, cut, or etch into a material or surface
  201. inscrutable
    of an obscure nature
  202. insensate
    devoid of feeling and consciousness and animation
  203. insidious
    working or spreading in a hidden and usually injurious way
  204. insignia
    a badge worn to show official position
  205. insinuate
    give to understand
  206. insipid
    lacking interest or significance or impact
  207. insolent
    marked by casual disrespect
  208. insolvent
    unable to meet or discharge financial obligations
  209. insouciant
    marked by blithe unconcern
  210. installment
    a payment of part of a debt; usually paid at regular intervals
  211. instant
    a very short time (as the time it takes the eye to blink or the heart to beat)
  212. instigate
    provoke or stir up
  213. insubordinate
    not submissive to authority
  214. insufferable
    used of persons or their behavior
  215. insular
    relating to or characteristic of or situated on an island
  216. insuperable
    incapable of being surmounted or excelled
  217. insurgent
    in opposition to a civil authority or government
  218. insurrection
    organized opposition to authority; a conflict in which one faction tries to wrest control from another
  219. intangible
    incapable of being perceived by the senses especially the sense of touch
  220. integral
    existing as an essential constituent or characteristic
  221. integration
    the act of combining into an integral whole
  222. integrate
    make into a whole or make part of a whole
  223. integument
    an outer protective covering such as the skin of an animal or a cuticle or seed coat or rind or shell
  224. intelligentsia
    an educated and intellectual elite
  225. intensive
    characterized by a high degree or intensity; often used as a combining form
  226. inter
    place in a grave or tomb
  227. intercede
    act between parties with a view to reconciling differences
  228. intercept
    seize on its way
  229. interdict
    an ecclesiastical censure by the Roman Catholic Church withdrawing certain sacraments and Christian burial from a person or all persons in a particular district
  230. interject
    to insert between other elements
  231. interloper
    someone who intrudes on the privacy or property of another without permission
  232. interlude
    an intervening period or episode
  233. interminable
    tiresomely long; seemingly without end
  234. internecine
    (of conflict) within a group or organization
  235. interpolate
    insert words into texts, often falsifying it thereby
  236. interpose
    introduce
  237. interregnum
    the time between two reigns, governments, etc.
  238. interrogate
    pose a series of questions to
  239. intersperse
    introduce one's writing or speech with certain expressions
  240. interstate
    involving and relating to the mutual relations of states especially of the United States
  241. intervene
    be placed or located between other things or extend between spaces and events
  242. intestate
    having made no legally valid will before death or not disposed of by a legal will
  243. intimate
    imply as a possibility
  244. intractable
    not tractable; difficult to manage or mold
  245. intransigent
    impervious to pleas, persuasion, requests, reason
  246. intrepid
    invulnerable to fear or intimidation
  247. intricate
    having many complexly arranged elements; elaborate
  248. intrigue
    a crafty and involved plot to achieve your (usually sinister) ends
  249. intrinsic
    belonging to a thing by its very nature
  250. introspection
    the contemplation of your own thoughts and desires and conduct
  251. inundate
    fill or cover completely, usually with water
  252. inure
    cause to accept or become hardened to; habituate
  253. invalidate
    make invalid for use
  254. invective
    abusive or venomous language used to express blame or censure or bitter deep-seated ill will
  255. inveigh
    complain bitterly
  256. inveigle
    influence or urge by gentle urging, caressing, or flattering
  257. inventive
    (used of persons or artifacts) marked by independence and creativity in thought or action
  258. inverse
    reversed (turned backward) in order or nature or effect
  259. invidious
    containing or implying a slight or showing prejudice
  260. invincible
    incapable of being overcome or subdued
  261. inviolate
    (of a woman) having the hymen unbroken
  262. invocation
    the act of appealing for help
  263. irascible
    quickly aroused to anger
  264. irate
    feeling or showing extreme anger
  265. ironic
    characterized by often poignant difference or incongruity between what is expected and what actually is
  266. irrational
    not consistent with or using reason
  267. irrelevant
    having no bearing on or connection with the subject at issue
  268. irreparable
    impossible to repair, rectify, or amend
  269. irresolute
    uncertain how to act or proceed
  270. irrevocable
    incapable of being retracted or revoked
  271. isosceles
    (of a triangle) having two sides of equal length
  272. itinerant
    traveling from place to place to work
  273. itinerary
    an established line of travel or access