SAT Words (I)

  1. Iconoclast (n.)
    One who attacks commonly held beliefs or institutions
  2. Idiosyncratic (adj.)
    Peculiar to one person; highly individualized
  3. Idolatrous (adj.)
    Excessively worshipping one object or person
  4. Ignominious (adj.)
    Humiliating, disgracing
  5. Illicit (adj.)
    Forbidden, not permitted
  6. Immerse (v.)
    To absorb, deeply involve, engross
  7. Immutable
    • a) (adj.) not changeable
    • b) (adj.) stoic, not susceptible to suffering
  8. Impeccable (adj.)
    Exemplary, flawless
  9. Impecunious (adj.)
    Desperately poor
  10. Imperative
    • a) (adj.) necessary, pressing
    • b) (n.) a rule, command, or order
  11. Imperious (adj.)
    Commanding, domineering
  12. Impertinent (adj.)
    Rude, insolent
  13. Impervious (adj.)
    Impenetrable, incapable of being affected
  14. Impetuous (adj.)
    Rash; hastily done
  15. Impinge
    • a) (n.) to impact, affect, make an impression
    • b) (v.) to encroach, infringe
  16. Implacable (adj.)
    Incapable of being appeased or mitigated
  17. Implement
    • a) (n.) an instrument, utensil, or tool
    • b) (v.) to put into effect, to institute
  18. Implicit (adj.)
    Understood but not outwardly obvious; implied
  19. Impregnable (adj.)
    Resistant to capture or penetration
  20. Impudent (adj.)
    Casually rude, insolent, impertinent
  21. Impute (v.)
    To ascribe, blame
  22. Inane (v.)
    Silly and meaningless
  23. Inarticulate (adj.)
    Incapable of expressing oneself clearly through speech
  24. Incarnate
    • a) (adj.) existing in the flesh, embodied
    • b) (v.) to give human form to
  25. Incendiary
    • a) (n.) a person who agitates
    • b) (adj.) inflammatory, causing combustion
  26. Incessant (adj.)
  27. Inchoate (adj.)
    unformed or formless, in a beginning stage
  28. Incisive (adj.)
    Clear, sharp, direct
  29. Inclination (n.)
    a tendency, propensity
  30. Incontrovertible (adj.)
  31. Incorrigible (adj.)
    incapable of correction, delinquent
  32. Increment (n.)
    an enlargement; the process of increasing
  33. Incumbent
    • a) (n.) one who holds an office
    • b) (adj.) obligatory
  34. Indefatigable (adj.)
    incapable of defeat, failure, decay
  35. Indigenous (adj.)
    originating in a region
  36. Indigent (adj.)
    very poor, impoverished
  37. Indignation (n.)
    anger sparked by something unjust or unfair
  38. Indolent (adj.)
  39. Indomitable (adj.)
    not capable of being conquered
  40. Induce (v.)
    to bring about, stimulate
  41. Ineffable (adj.)
    unspeakable, not able to be expressed in words
  42. Inept (adj.)
    unsuitable or incapable, not qualified
  43. Inexorable (adj.)
    incapable of being persuaded or placated
  44. Inextricable (adj.)
    hopelessly tangled or entangled
  45. Infamy (n.)
    notoriety, extreme ill repute
  46. Infusion (n.)
    an injection of one substance into another
  47. Ingenious (adj.)
    clever, resourceful
  48. Ingenuous (adj.)
    not devious; innocent and candid
  49. Inhibit (v.)
    to prevent, restrain, stop
  50. Inimical (adj.)
    hostile, enemy-like
  51. Iniquity (n.)
    wickedness or sin
  52. Injunction (n.)
    an order of official warning
  53. Innate (adj.)
    inborn, native, inherent
  54. Innocuous (adj.)
    harmless, inoffensive
  55. Innovate (v.)
    to do something in an unprecedented way
  56. Innuendo (n.)
    an insinuation
  57. Inoculate (v.)
    to vaccinate against a disease
  58. Inquisitor (n.)
    one who inquires, especially in a hostile manner
  59. Insatiable (adj.)
    incapable of being satisfied
  60. Insidious (adj.)
    appealing, but imperceptibly harmful, seductive
  61. Insinuate (v.)
    to suggest indirectly of subtly
  62. Insipid (adj.)
    dull, boring
  63. Insolent (adj.)
    Rude, arrogant, overbearing
  64. Instigate (v.)
    to urge, goad
  65. Insular (adj.)
    separated, and narrow-minded; tight-knit, closed off
  66. Insurgent (n.)
    one who rebels
  67. Integral (adj.)
    necessary for completeness
  68. Interject (v.)
    to insert between other things
  69. Interlocutor (n.)
    someone who participates in a dialogue or conversation
  70. Interminable (adj.)
    without possibility of end
  71. Intimation (n.)
    an indirect suggestion
  72. Intractable (adj.)
    difficult to manipulate, unmanageable
  73. Intransigent (adj.)
    Refusing to compromise, often on an extreme opinion
  74. Intrepid (adj.)
    brave in the face of danger
  75. Inundate (v.)
    to flood with abundance
  76. Inure (v.)
    to cause one to become accustomed or acclimated
  77. Invective (n.)
    an angry verbal attack
  78. Inveterate (adj.)
    stubbornly established by habit
  79. Inviolable (adj.)
    secure from assault
  80. Irascible (adj.)
    easily angered
  81. Iridescent (adj.)
    showing rainbow colors
  82. Irreverence (n.)
  83. Irrevocable (adj.)
    incapable of being taken back
Card Set
SAT Words (I)
Useful SAT Words that start with the letter "I"