English Words with “I” to Enrich Your Vocabulary

Words starting with “I”

Rich English vocabulary helps you write interesting sentences. It improves the impact of the writing on the readers. To score good in IELTS, GRE in writing rich vocabulary is must. So learn and practice more to get good grasp on English language. Hope you will find this post really helpful.

(273 Words with Meaning in English)

  1. ibidem  in the same place
  2. ichthyology   study of fish
  3. iconoclast one who rails against sacred institutions
  4. idiosyncrasy   peculiarity
  5. idyllic  natural, picturesque
  6. ignoble   dishonorable
  7. ilk  class, clan
  8. illicit   unlawful
  9. illimitable    limitless
  10. illusory  fleeting, deceptive
  11. illustrious    famous
  12. imbibe   drink
  13. imbue   infuse
  14. immaculate  spotlessly clean
  15. immaterial   irrelevant
  16. immense    huge
  17. immerse  bathe, engross
  18. imminent  about to happen
  19. immobile     still
  20. immolate  sacrifice (especially by fire)
  21. immunity   exemption from prosecution
  22. immure  build a wall around
  23. immutable  unchangeable, absolute
  24. impair  injure
  25. impale  pierce
  26. impartial  not biased
  27. impasse  deadlock
  28. impassioned   fiery, emotional
  29. impassive   calm
  30. impeach  accuse, charge
  31. impeccable   faultless
  32. impecunious   indigent
  33. impede  hinder
  34. impediment   obstacle
  35. impel  urge, force
  36. impending  approaching, imminent
  37. imperative   vital,  pressing
  38. imperceptible   slight, intangible
  39. imperialism   colonialism
  40. imperil   endanger
  41. imperious   domineering
  42. impertinent   insolent
  43. imperturbable   calm, unflappable
  44. impervious  impenetrable, unreceptive
  45. impetuous   impulsive
  46. impetus   stimulus, spark
  47. impinge  encroach, touch
  48. implant   instill
  49. implausible   unlikely, improbable
  50. implement   carry out, execute
  51. implicate   incriminate
  52. implicit   implied
  53. implore   entreat
  54. implosion   bursting inward
  55. impolitic   unwise, inappropriate
  56. imponderable   difficult to estimate
  57. import  meaning, significance
  58. importune  urgent request
  59. imposing   intimidating, stately
  60. imposition  intrusion, burden
  61. impotent   powerless
  62. impound   seize
  63. imprecation  curse, inculcate
  64. impregnable   invincible
  65. impresario   promoter
  66. impressionable   susceptible, easily influenced
  67. impressionism   a style of painting
  68. imprimatur  sanction
  69. impromptu  spontaneous
  70. improvise   invent
  71. impudence   insolence
  72. impugn  criticize, accuse
  73. impulse  inclination, sudden desire
  74. impulsive   to act suddenly
  75. impunity  exemption from harm
  76. impute  charge
  77. in toto   in full, entirely
  78. inadvertent  unintentional
  79. inadvisable  not recommended
  80. inalienable   that which cannot be taken away
  81. inane  vacuous, stupid
  82. inanimate  inorganic, lifeless
  83. inaudible  cannot be heard
  84. inaugurate  induct (with a ceremony)
  85. inborn   innate
  86. incalculable immeasurable
  87. incandescent   brilliant
  88. incantation   chant
  89. incapacitate   disable
  90. incarcerate  imprison
  91. incarnate  embody, personify
  92. incendiary  inflammatory
  93. incense   enrage
  94. incentive   stimulus,  inducement
  95. incessant   unceasing
  96. incest  sex among family members
  97. inchoate  just begun
  98. incidental   insignificant, minor
  99. incinerate    burn
  100. incipient   beginning
  101. incision    cut
  102. incisive   keen, penetrating
  103. incite  foment, provoke
  104. incivility   rudeness
  105. inclement   harsh,  stormy
  106. inclusive   comprehensive
  107. incognito   disguised
  108. incommunicado  unable to communicate with others
  109. incomparable   peerless
  110. incompatibility   inability to live in harmony
  111. inconceivable   unthinkable
  112. incongruous  out of place, absurd
  113. inconsiderate   thoughtless, insensitive
  114. inconspicuous   not noticeable
  115. incontrovertible indisputable
  116. incorporate   combine
  117. incorrigible   unreformable
  118. incredulous  skeptical
  119. increment   step, increase
  120. incriminate  accuse
  121. incubus   nightmare
  122. inculcate  instill, indoctrinate
  123. inculpate   accuse
  124. incumbent   obligatory
  125. incursion    raid
  126. indecent  offensive, lewd
  127. indecorous   unseemly
  128. indelible   permanent
  129. indemnity   insurance
  130. indict  charge
  131. indifferent  unconcerned
  132. indigenous   native
  133. indigent    poor
  134. indignant  resentment of injustice
  135. indiscreet  lacking sound judgment, rash
  136. indiscriminate   random
  137. indispensable   vital, essential
  138. indistinct  blurry, without clear features
  139. indolent    lazy
  140. indomitable   invincible
  141. indubitable   unquestionable
  142. induce  persuade, provoke
  143. indulge  succumb to desire
  144. indurate  harden
  145. industrious  hard-working
  146. inebriate   intoxicate
  147. ineffable   inexpressible
  148. ineffectual   futile
  149. ineluctable inescapable
  150. inept  unfit, incompetent
  151. inert  inactive
  152. inestimable   priceless, immeasurable
  153. inevitable  unavoidable, predestined
  154. inexorable   relentless
  155. infallible   unerring
  156. infamous   notorious
  157. infamy  shame
  158. infantry  foot soldiers
  159. infatuate  immature love
  160. infer  conclude
  161. infernal  hellish
  162. infidel  nonbeliever
  163. infidelity   disloyalty
  164. infiltrate   trespass
  165. infinitesimal    very  small
  166. infirmary   clinic
  167. infirmity   ailment
  168. inflammatory   incendiary
  169. influx   inflow
  170. infraction   violation
  171. infringe  encroach
  172. infuriate   enrage
  173. infuse   inspire, instill
  174. ingenious  clever, resourceful
  175. ingrate  ungrateful person
  176. ingratiate   pleasing, flattering, endearing
  177. ingress   entering
  178. inherent  innate, inborn
  179. inhibit   restrain
  180. inimical   adverse, hostile
  181. inimitable   peerless
  182. iniquitous   unjust, wicked
  183. iniquity   sin,  injustice
  184. initiate    begin
  185. initiation  induction  ceremony
  186. injunction   command
  187. inkling    hint
  188. innate  inborn
  189. innervate  invigorate
  190. innocuous   harmless
  191. innovative  new, useful idea
  192. innuendo   insinuation
  193. inopportune   untimely
  194. inordinate   excessive
  195. inquest  investigation
  196. inquisition   interrogation
  197. inquisitive    curious
  198. insatiable   gluttonous
  199. inscribe   engrave
  200. inscrutable   cannot be fully understood
  201. insensate   without feeling
  202. insidious  treacherous, sinister
  203. insignia    emblems
  204. insinuate   allude
  205. insipid  flat, dull
  206. insolent   insulting
  207. insolvent   bankrupt
  208. insouciant   nonchalant
  209. installment   portion,  payment
  210. instant  at once
  211. instigate   incite
  212. insubordinate   disobedient
  213. insufferable   unbearable
  214. insular  narrow-minded
  215. insuperable   insurmountable
  216. insurgent   rebellious
  217. insurrection   uprising
  218. intangible  not perceptible by touch
  219. integral   essential
  220. integrate   make whole
  221. integration   unification
  222. integument   a covering
  223. intelligentsia   the intellectual elite of society
  224. intensive  extreme, concentrated
  225. inter   bury
  226. intercede  plead on behalf of another
  227. intercept  prevent, cut off
  228. interdict  prohibit
  229. interject  interrupt
  230. interloper   intruder
  231. interlude   intermission
  232. interminable   unending
  233. internecine  mutually destructive
  234. interpolate   insert
  235. interpose   insert
  236. interregnum  interval between two successive reigns
  237. interrogate   question
  238. intersperse   scatter
  239. interstate  between states
  240. intervene  interfere, mediate
  241. intestate   leaving no will
  242. intimate   allude to, hint
  243. intractable  unmanageable
  244. intransigent   unyielding
  245. intrepid  fearless
  246. intricate   complex
  247. intrigue   plot, mystery
  248. intrinsic   inherent
  249. introspection   self-analysis
  250. inundate   flood
  251. inure  accustom, habituate, harden
  252. invalidate   disprove, nullify
  253. invective   verbal insult
  254. inveigh  to rail against
  255. inveigle  lure, wheedle
  256. inventive  cleaver, resourceful
  257. inverse  directly opposite
  258. inveterate  habitual, chronic
  259. invidious   incurring ill-will
  260. invincible  cannot be defeated
  261. inviolate  sacred, unchangeable
  262. invocation   calling on God
  263. irascible   irritable
  264. irate  angry
  265. ironic  oddly contrary to what is expected
  266. irrational  illogical
  267. irrelevant  unrelated, immaterial
  268. irreparable  cannot be repaired
  269. irresolute  hesitant, uncertain
  270. irrevocable  cannot be rescinded
  271. isosceles  having two equal sides
  272. itinerant  wandering
  273. itinerary   route

Leave a Reply

Your email address will not be published. Required fields are marked *