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Barrons GRE Wordlist - I 326 words

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  1. ichthyology
    the branch of zoology that studies fishes
  2. icon
    a visual representation (of an object or scene or person or abstraction) produced on a surface
  3. iconoclastic
    characterized by attack on established beliefs or institutions
  4. ideology
    an orientation that characterizes the thinking of a group or nation
  5. idiom
    an expression whose meanings cannot be inferred from the meanings of the words that make it up
  6. idiosyncrasy
    a behavioral attribute that is distinctive and peculiar to an individual
  7. idle
    not in action or at work
  8. idolatry
    the worship of idols; the worship of images that are not God
  9. idyll
    a short poem descriptive of rural or pastoral life
  10. idyllic
    suggestive of an idyll; charmingly simple and serene
  11. igneous
    produced by the action of fire or intense heat
  12. ignite
    cause to start burning; subject to fire or great heat
  13. ignoble
    completely lacking nobility in character or quality or purpose
  14. ignominy
    a state of dishonor
  15. illicit
    contrary to accepted morality (especially sexual morality) or convention
  16. illimitable
    without limits in extent or size or quantity
  17. illuminate
    make lighter or brighter
  18. illusion
    an erroneous mental representation
  19. illusive
    based on or having the nature of an illusion
  20. illusory
    based on or having the nature of an illusion
  21. imbalance
    a lack of balance or state of disequilibrium
  22. imbecility
    retardation more severe than a moron but not as severe as an idiot
  23. imbibe
    take in liquids
  24. imbroglio
    an intricate and confusing interpersonal or political situation
  25. imbue
    spread or diffuse through
  26. immaculate
    completely neat and clean
  27. imminent
    close in time; about to occur
  28. immobility
    the quality of not moving
  29. immolate
    offer as a sacrifice by killing or by giving up to destruction
  30. immune
    relating to the condition of immunity
  31. immure
    lock up or confine, in or as in a jail
  32. immutable
    not subject or susceptible to change or variation in form or quality or nature
  33. impair
    make worse or less effective
  34. impale
    pierce with a sharp stake or point
  35. impalpable
    not perceptible to the touch
  36. impart
    bestow a quality on
  37. impartial
    free from undue bias or preconceived opinions
  38. impassable
    incapable of being passed
  39. impasse
    a situation in which no progress can be made or no advancement is possible
  40. impassioned
    characterized by intense emotion
  41. impassive
    having or revealing little emotion or sensibility; not easily aroused or excited
  42. impeach
    bring an accusation against; level a charge against
  43. impeccable
    without fault or error
  44. impecunious
    not having enough money to pay for necessities
  45. impede
    be a hindrance or obstacle to
  46. impediment
    something immaterial that interferes with or delays action or progress
  47. impel
    urge or force (a person) to an action; constrain or motivate
  48. impending
    close in time; about to occur
  49. impenetrable
    not admitting of penetration or passage into or through
  50. impenitent
    not penitent or remorseful
  51. imperative
    requiring attention or action
  52. imperceptible
    impossible or difficult to perceive by the mind or senses
  53. imperial
    relating to or associated with an empire
  54. imperil
    pose a threat to; present a danger to
  55. imperious
    having or showing arrogant superiority to and disdain of those one views as unworthy
  56. impermeable
    preventing especially liquids to pass or diffuse through
  57. impersonal
    not relating to or responsive to individual persons
  58. impertinent
    improperly forward or bold
  59. imperturbable
    not easily perturbed or excited or upset; marked by extreme calm and composure
  60. impervious
    not admitting of passage or capable of being affected
  61. impetuous
    characterized by undue haste and lack of thought or deliberation
  62. impetus
    a force that moves something along
  63. impiety
    unrighteousness by virtue of lacking respect for a god
  64. impinge
    impinge or infringe upon
  65. impious
    lacking piety or reverence for a god
  66. implacable
    incapable of being placated
  67. implausible
    highly imaginative but unlikely
  68. implement
    instrumentation (a piece of equipment or tool) used to effect an end
  69. implicate
    bring into intimate and incriminating connection
  70. implication
    something that is inferred (deduced or entailed or implied)
  71. implicit
    implied though not directly expressed; inherent in the nature of something
  72. implode
    burst inward
  73. implore
    call upon in supplication; entreat
  74. imply
    express or state indirectly
  75. impolitic
    not politic
  76. imponderable
    difficult or impossible to evaluate with precision
  77. import
    bring in from abroad
  78. importunate
    expressing earnest entreaty
  79. importune
    beg persistently and urgently
  80. imposture
    pretending to be another person
  81. impotent
    (of a male) unable to copulate
  82. impoverish
    make poor
  83. imprecation
    the act of calling down a curse that invokes evil (and usually serves as an insult)
  84. impregnable
    immune to attack; incapable of being tampered with
  85. impregnate
    make pregnant
  86. impromptu
    with little or no preparation or forethought
  87. impropriety
    the condition of being improper
  88. improvident
    not provident; not providing for the future
  89. improvise
    manage in a makeshift way; do with whatever is at hand
  90. imprudent
    not prudent or wise
  91. impudence
    the trait of being rude and impertinent; inclined to take liberties
  92. impugn
    attack as false or wrong
  93. impuissance
    powerlessness revealed by an inability to act
  94. impunity
    exemption from punishment or loss
  95. impute
    attribute or credit to
  96. inadvertently
    without knowledge or intention
  97. inalienable
    incapable of being repudiated or transferred to another
  98. inamorata
    a woman with whom you are in love or have an intimate relationship
  99. inane
    devoid of intelligence
  100. inanimate
    not endowed with life
  101. inarticulate
    without or deprived of the use of speech or words
  102. insomuch
    to such an extent or degree; so
  103. inaugurate
    commence officially
  104. incandescent
    emitting light as a result of being heated
  105. incantation
    a ritual recitation of words or sounds believed to have a magical effect
  106. incapacitate
    make unable to perform a certain action
  107. incarcerate
    lock up or confine, in or as in a jail
  108. incarnate
    possessing or existing in bodily form
  109. incarnation
    the act of attributing human characteristics to abstract ideas etc.
  110. incendiary
    capable of catching fire spontaneously or causing fires or burning readily
  111. incense
    make furious
  112. incentive
    a positive motivational influence
  113. inception
    an event that is a beginning; a first part or stage of subsequent events
  114. incessant
    uninterrupted in time and indefinitely long continuing
  115. inchoate
    only partly in existence; imperfectly formed
  116. incidence
    the relative frequency of occurrence of something
  117. incident
    a single distinct event
  118. incidental
    (sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence
  119. incinerate
    become reduced to ashes
  120. incipient
    only partly in existence; imperfectly formed
  121. incisive
    having or demonstrating ability to recognize or draw fine distinctions
  122. incite
    provoke or stir up
  123. inclement
    (of weather or climate) severe
  124. incline
    lower or bend (the head or upper body), as in a nod or bow
  125. inclined
    at an angle to the horizontal or vertical position
  126. inclusive
    including much or everything; and especially including stated limits
  127. incognito
    without revealing one's identity
  128. incoherent
    without logical or meaningful connection
  129. incommodious
    uncomfortably or inconveniently small
  130. incompatible
    not compatible
  131. incongruity
    the quality of disagreeing; being unsuitable and inappropriate
  132. inconsequential
    lacking worth or importance
  133. inconsistency
    the quality of being inconsistent and lacking a harmonious uniformity among things or parts
  134. incontinent
    not having control over urination and defecation
  135. incontrovertible
    impossible to deny or disprove
  136. incorporate
    make into a whole or make part of a whole
  137. incorporeal
    without material form or substance
  138. incorrigible
    impervious to correction by punishment
  139. incredulity
    doubt about the truth of something
  140. incredulous
    not disposed or willing to believe; unbelieving
  141. increment
    the amount by which something increases
  142. incriminate
    suggest that someone is guilty
  143. incrustation
    the formation of a crust
  144. incubate
    grow under conditions that promote development
  145. incubus
    a male demon believed to lie on sleeping persons and to have sexual intercourse with sleeping women
  146. inculcate
    teach and impress by frequent repetitions or admonitions
  147. incumbent
    necessary (for someone) as a duty or responsibility; morally binding
  148. incur
    make oneself subject to; bring upon oneself; become liable to
  149. incursion
    the act of entering some territory or domain (often in large numbers)
  150. indecision
    the trait of irresolution; a lack of firmness of character or purpose
  151. indecisive
    characterized by lack of decision and firmness
  152. indefatigable
    showing sustained enthusiastic action with unflagging vitality
  153. indelible
    cannot be removed or erased
  154. indemnify
    secure against future loss, damage, or liability; give security for
  155. indentation
    the space left between the margin and the start of an indented line
  156. indenture
    formal agreement between the issuer of bonds and the bondholders as to terms of the debt
  157. indeterminate
    not precisely determined or established; not fixed or known in advance
  158. indicative
    (usually followed by `of') pointing out or revealing clearly
  159. index
    an alphabetical listing of names and topics along with page numbers where they are discussed
  160. indict
    accuse formally of a crime
  161. indifferent
    marked by a lack of interest
  162. indigence
    a state of extreme poverty or destitution
  163. indigenous
    originating where it is found
  164. indigent
    poor enough to need help from others
  165. indignation
    a feeling of righteous anger
  166. indignity
    an affront to one's dignity or self-esteem
  167. indiscriminate
    failing to make or recognize distinctions
  168. indisputable
    not open to question; obviously true
  169. indissoluble
    (of a substance) incapable of being dissolved
  170. indite
    produce a literary work
  171. indoctrinate
    teach doctrines to; teach uncritically
  172. indolent
    disinclined to work or exertion
  173. indomitable
    impossible to subdue
  174. indubitable
    too obvious to be doubted
  175. induce
    cause to do; cause to act in a specified manner
  176. induct
    place ceremoniously or formally in an office or position
  177. inductive
    inducing or influencing; leading on
  178. indulge
    yield (to); give satisfaction to
  179. indulgent
    characterized by or given to yielding to the wishes of someone
  180. industrious
    characterized by hard work and perseverance
  181. inebriate
    make drunk (with alcoholic drinks)
  182. inebriated
    stupefied or excited by a chemical substance (especially alcohol)
  183. ineffable
    defying expression or description
  184. ineffectual
    not producing an intended effect
  185. ineluctable
    impossible to avoid or evade:"inescapable conclusion"
  186. inept
    generally incompetent and ineffectual
  187. inequity
    injustice by virtue of not conforming with rules or standards
  188. inerrancy
    (Christianity) exemption from error
  189. inert
    unable to move or resist motion
  190. inestimable
    beyond calculation or measure
  191. inevitable
    incapable of being avoided or prevented
  192. inexorable
    not to be placated or appeased or moved by entreaty
  193. inextricable
    not permitting extrication; incapable of being disentangled or untied
  194. infallible
    incapable of failure or error
  195. infamous
    known widely and usually unfavorably
  196. infantile
    of or relating to infants or infancy
  197. infer
    conclude by reasoning; in logic
  198. infernal
    characteristic of or resembling Hell
  199. infest
    occupy in large numbers or live on a host
  200. infidel
    a person who does not acknowledge your god
  201. infiltrate
    pass through an enemy line; in a military conflict
  202. infinitesimal
    infinitely or immeasurably small
  203. infirmity
    the state of being weak in health or body (especially from old age)
  204. inflated
    enlarged beyond truth or reasonableness
  205. influx
    the process of flowing in
  206. infraction
    a crime less serious than a felony
  207. infringe
    advance beyond the usual limit
  208. ingenious
    showing inventiveness and skill
  209. ingenue
    an artless innocent young girl (especially as portrayed on the stage)
  210. ingenuous
    lacking in sophistication or worldliness
  211. ingrained
    (used especially of ideas or principles) deeply rooted; firmly fixed or held
  212. ingrate
    a person who shows no gratitude
  213. ingratiate
    gain favor with somebody by deliberate efforts
  214. inherent
    existing as an essential constituent or characteristic
  215. inhibit
    limit the range or extent of
  216. inhibited
    held back or restrained or prevented
  217. inimical
    not friendly
  218. inimitable
    defying imitation; matchless
  219. iniquitous
    characterized by iniquity; wicked because it is believed to be a sin
  220. initiate
    set in motion, start an event or prepare the way for
  221. injurious
    harmful to living things
  222. inkling
    a slight suggestion or vague understanding
  223. innate
    present at birth but not necessarily hereditary; acquired during fetal development
  224. innocuous
    not injurious to physical or mental health
  225. innovation
    the act of starting something for the first time; introducing something new
  226. innuendo
    an indirect (and usually malicious) implication
  227. inopportune
    not opportune
  228. inordinate
    beyond normal limits
  229. inquisitive
    inquiring or appearing to inquire
  230. inquisitor
    a questioner who is excessively harsh
  231. inroad
    an encroachment or intrusion
  232. insalubrious
    detrimental to health
  233. insatiable
    impossible to satisfy
  234. inscrutable
    of an obscure nature
  235. insensate
    devoid of feeling and consciousness and animation
  236. insensible
    barely able to be perceived
  237. insidious
    working or spreading in a hidden and usually injurious way
  238. insightful
    exhibiting insight or clear and deep perception
  239. insinuate
    give to understand
  240. insipid
    lacking interest or significance or impact
  241. insolence
    the trait of being rude and impertinent; inclined to take liberties
  242. insolvent
    unable to meet or discharge financial obligations
  243. insomnia
    an inability to sleep; chronic sleeplessness
  244. insouciant
    marked by blithe unconcern
  245. instigate
    provoke or stir up
  246. institute
    set up or lay the groundwork for
  247. institution
    a custom that for a long time has been an important feature of some group or society
  248. institutionalize
    cause to be admitted; of persons to an institution
  249. insubordination
    defiance of authority
  250. insubstantial
    lacking material form or substance; unreal
  251. insularity
    the state of being isolated or detached
  252. insuperable
    incapable of being surmounted or excelled
  253. insurgent
    in opposition to a civil authority or government
  254. insurmountable
    not capable of being surmounted or overcome
  255. insurrection
    organized opposition to authority; a conflict in which one faction tries to wrest control from another
  256. intangible
    incapable of being perceived by the senses especially the sense of touch
  257. integral
    existing as an essential constituent or characteristic
  258. integrate
    make into a whole or make part of a whole
  259. integrity
    an undivided or unbroken completeness or totality with nothing wanting
  260. intellect
    knowledge and intellectual ability
  261. intelligentsia
    an educated and intellectual elite
  262. inter
    place in a grave or tomb
  263. 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
  264. interim
    the time between one event, process, or period and another
  265. interjection
    an abrupt emphatic exclamation expressing emotion
  266. interloper
    someone who intrudes on the privacy or property of another without permission
  267. intermediary
    a negotiator who acts as a link between parties
  268. interminable
    tiresomely long; seemingly without end
  269. intermittent
    stopping and starting at irregular intervals
  270. internecine
    (of conflict) within a group or organization
  271. interpolate
    insert words into texts, often falsifying it thereby
  272. interregnum
    the time between two reigns, governments, etc.
  273. interrogate
    pose a series of questions to
  274. interstice
    small opening between things
  275. intervene
    be placed or located between other things or extend between spaces and events
  276. intimate
    imply as a possibility
  277. intimidate
    to compel or deter by or as if by threats
  278. intolerant
    unwilling to tolerate difference of opinion
  279. intoxicate
    make drunk (with alcoholic drinks)
  280. intractable
    not tractable; difficult to manage or mold
  281. intransigence
    the trait of being intransigent; stubbornly refusing to compromise
  282. intrepid
    invulnerable to fear or intimidation
  283. intrigue
    a crafty and involved plot to achieve your (usually sinister) ends
  284. intrinsic
    belonging to a thing by its very nature
  285. introspective
    given to examining own sensory and perceptual experiences
  286. introvert
    fold inwards
  287. intrude
    enter uninvited
  288. intuition
    instinctive knowing (without the use of rational processes)
  289. inundate
    fill or cover completely, usually with water
  290. inured
    made tough by habitual exposure
  291. invalid
    someone who is incapacitated by a chronic illness or injury
  292. invalidate
    make invalid for use
  293. invective
    abusive or venomous language used to express blame or censure or bitter deep-seated ill will
  294. inveigh
    complain bitterly
  295. inveigle
    influence or urge by gentle urging, caressing, or flattering
  296. inverse
    reversed (turned backward) in order or nature or effect
  297. invert
    turn inside out or upside down
  298. inveterate
    habitual
  299. invidious
    containing or implying a slight or showing prejudice
  300. invincible
    incapable of being overcome or subdued
  301. inviolable
    incapable of being transgressed or dishonored
  302. invocation
    the act of appealing for help
  303. invoke
    request earnestly (something from somebody); ask for aid or protection
  304. invulnerable
    immune to attack; impregnable
  305. iota
    a tiny or scarcely detectable amount
  306. irascible
    quickly aroused to anger
  307. irate
    feeling or showing extreme anger
  308. iridescent
    varying in color when seen in different lights or from different angles
  309. irksome
    so lacking in interest as to cause mental weariness
  310. ironic
    characterized by often poignant difference or incongruity between what is expected and what actually is
  311. irony
    incongruity between what might be expected and what actually occurs
  312. irreconcilable
    impossible to reconcile
  313. irrefutable
    impossible to deny or disprove
  314. irrelevant
    having no bearing on or connection with the subject at issue
  315. irremediable
    impossible to remedy or correct or redress
  316. irreparable
    impossible to repair, rectify, or amend
  317. irrepressible
    impossible to repress or control
  318. irreproachable
    free of guilt; not subject to blame
  319. irresolute
    uncertain how to act or proceed
  320. irretrievable
    impossible to recover or recoup or overcome
  321. irreverence
    an irreverent mental attitude
  322. irrevocable
    incapable of being retracted or revoked
  323. isotope
    one of two or more atoms with the same atomic number but with different numbers of neutrons
  324. isthmus
    a relatively narrow strip of land (with water on both sides) connecting two larger land areas
  325. itinerant
    traveling from place to place to work
  326. itinerary
    an established line of travel or access