Adjectives Beginning with I

Adjectives Starting "I"

Here is a list of 350 adjectives that start with the letter I. The list is sortable, editable, and printable. It can be displayed as normal text or in columns (up to 4). You can even turn the list into American English or British English.

Just for fun, we've added game of hangman, which selects a word from this list as the secret word.

Sortable, Editable, and Printable List

icy, icy-cold, ideal, idealistic, identical, identifiable, idiosyncratic, idiotic, idyllic, ignorable, ignorant, ill, illegal, illegitimate, ill-equipped, ill-fated, ill-humored/ill-humoured, illicit, ill-informed, illiterate, illogical, illuminating, illusive, illustrious, imaginable, imaginary, imaginative, imitative, immaculate, immanent, immature, immeasurable, immediate, immense, imminent, immobile, immodest, immoral, immortal, immovable, impartial, impassable, impassioned, impatient, impeccable, impenetrable, imperative, imperceptible, imperceptive, imperfect, imperial, imperialistic, impermeable, impersonal, impertinent, impervious, impetuous, impish, implausible, implicit, implosive, impolite, imponderable, important, imported, imposing, impossible, impoverished, impractical, imprecise, impressionable, impressive, improbable, improper, improvable, improved, improving, imprudent, impudent, impulsive, impure, inaccessible, inaccurate, inactive, inadequate, inadmissible, inadvertent, inadvisable, inalienable, inalterable, inane, inanimate, inapplicable, inappropriate, inapt, inarguable, inarticulate, inartistic, inattentive, inaudible, inauspicious, incalculable, incandescent, incapable, incendiary, incessant, incidental, inclusive, incoherent, incomparable, incompatible, incompetent, incomplete, incomprehensible, inconceivable, inconclusive, incongruous, inconsequential, inconsiderable, inconsiderate, inconsistent, inconsolable, inconspicuous, incontrovertible, inconvenient, incorrect, incorrigible, incorruptible, increasing, incredible, incredulous, incremental, incurable, indecent, indecipherable, indecisive, indefensible, indefinable, indefinite, indelible, independent, indescribable, indestructible, indeterminable, indeterminate, indicative, indifferent, indigenous, indignant, indigo, indirect, indiscreet, indiscriminate, indispensable, indisputable, indistinct, individual, individualistic, indivisible, indomitable, inductive, indulgent, industrial, industrious, ineffective, ineffectual, inefficient, inelegant, ineloquent, inequitable, inert, inescapable, inevitable, inexact, inexcusable, inexhaustible, inexpedient, inexpensive, inexplicable, inexpressible, inexpressive, inextricable, infallible, infamous, infantile, infatuated, infected, infectious, inferior, infernal, infinite, infinitesimal, inflamed, inflammable, inflammatory, inflatable, inflated, inflexible, influential, informal, informative, informed, infrequent, infuriated, infuriating, ingenious, ingenuous, inglorious, ingratiating, inhabitable, inharmonious, inherent, inhibited, inhospitable, inhuman, inhumane, initial, injudicious, injured, injurious, innate, inner, innocent, innocuous, innovative, innumerable, inoffensive, inoperable, inoperative, inopportune, inordinate, inorganic, inquiring, inquisitive, insane, insatiable, inscrutable, insecure, insensible, insensitive, inseparable, inside, insidious, insightful, insignificant, insincere, insipid, insistent, insolent, inspirational, inspired, inspiring, instant, instantaneous, instinctive, instinctual, institutional, instructive, instrumental, insubordinate, insufferable, insufficient, insulting, insurmountable, intangible, integral, intellectual, intelligent, intelligible, intended, intense, intensive, intentional, interactive, interchangeable, interdepartmental, interdependent, interested, interesting, interior, intermediate, intermittent, internal, international, interpersonal, interracial, intestinal, intimate, intimidating, intolerable, intolerant, intransigent, intravenous, intrepid, intricate, intrigued, intriguing, intrinsic, introductory, introspective, introverted, intrusive, intuitive, invalid, invaluable, invasive, inventive, invigorating, invincible, invisible, invited, inviting, involuntary, involved, inward, irascible, irate, iridescent, irksome, iron-fisted, ironic, irrational, irreconcilable, irrefutable, irregular, irrelevant, irremovable, irreparable, irreplaceable, irrepressible, irresistible, irresponsible, irretrievably, irreverent, irreversible, irrevocable, irritable, irritated, irritating, isolated, itchy

Why Do I Need This List?

A list of adjectives that start with the same letter is useful for creating alliteration, which is a stylistic technique in which nearby words repeat the same initial consonant sound.
  • Your proposal is inconsiderate, impertinent, and impetuous, but it's also interesting, and possibly irresistible.

Help Us Improve Grammar Monster

  • Do you disagree with something on this page?
  • Did you spot a typo?
  • Can you think of some better adjectives beginning with I?

Find Us Quicker!

  • When using a search engine (e.g., Google, Bing), you will find Grammar Monster quicker if you add #gm to your search term.
Next lesson >

See Also

Parts of Speech Lists

Page URL