Adjectives that start with i

A list of adjectives that start with I can be found below. These examples of adjectives may be especially helpful for those in school or in college perhaps taking online classes toward a degree, or in another program looking for adjectives starting with i, and i adjectives. The adjective lists on this site might also benefit people who enjoy learning about language and words, or who spend time writing reports or articles.

IC: icky, icy.

ID: ideal, idealistic, ideational, identical, identifiable, ideological, idiomatic, idiosyncratic, idiotic, idle, idyllic.

IG: igneous.

IL: iliac, ill, illegal, illegitimate, illicit, illiterate, illogical, illuminating, illusionary, illusive, illusory, illustrative, illustrious.

IM: imaginary, imaginative, imcomparable, imcomplete, imitative, immaculate, immanent, immaterial, immature, immeasurable, immediate, immemorial, immense, imminent, immoderate, immodest, immoral, immortal, immovable, immutable, impartial, impassable, impassioned, impassive, impatient, impeccable, impenetrable, imperative, imperceptible, imperfect, imperial, imperious, imperishable, impersonal, impertinent, imperturbable, impervious, impetuous, impious, implacable, implicit, impolite, impolitic, imponderable, important, imported, impossible, impotent, impoverished, impracticable, impractical, imprecise, impressed, impressionistic, impressive, improbable, impromptu, improper, improved, impudent, impulsive.

See more – I adjectives for people

IN: inaccessible, inaccurate, inactive, inadequate, inadvertent, inadvisable, inalienable, inane, inanimate, inapplicable, inappropriate, inapt, inarticulate, inattentive, inaudible, inaugural, inboard, inborn, incalculable, incandescent, incapable, incarnate, incautious, incertain, incessant, incestuous, incident, incidental, incipient, incisive, inclement, inclined, inclusive, incoherent, incoming, incomparable, incompatible, incompetent, incomplete, incomprehensible, inconceivable, inconclusive, incongruous, inconsequential, inconsiderable, inconsistent, inconspicuous, incontestable, incontrovertible, inconvenient, incorrect, incorrigible, incorruptible, increased, increasing, incredible, incremental, incumbent, incurable, indebted, indecent, indecipherable, indecisive, indefatigable, indefensible, indefinable, indefinite, indelible, indelicate, independent, indescribable, indestructible, indeterminate, indian, indicative, indifferent, indigenous, indigent, indigestible, indignant, indirect, indiscreet, indiscriminate, indiscriminating, indispensable, indispensible, indistinct, indistinguishable, individual, individualistic, indivisible, indolent, indomitable, indonesian, indoor, indubitable, indulgent, industrial, industrious, ineffable, ineffective, ineffectual, inefficient, ineligible, ineluctable, inept, inert, inertial, inescapable, inevitable, inexact, inexcusable, inexhaustible, inexorable, inexpensive, inexperienced, inexpert, inexplicable, inexpressible, inextricable, infallible, infamous, infant, infantile, infectious, inferential, inferior, infertile, infidel, infinite, infinitesimal, infirm, inflammatory, inflexible, influent, influential, informal, informational, informative, infrared, infrequent, infuriating, ingenious, inglorious, ingratiating, inharmonious, inherent, inhibitory, inhomogeneous, inhospitable, inhuman, inhumane, inimical, iniquitous, initial, injunctive, injured, injurious, inland, innate, inner, innermost, innocent, innovative, innumerable, inoperable, inopportune, inorganic, inquisitive, insane, insatiable, inscrutable, insecure, insensitive, inseparable, inshore, inside, insidious, insignificant, insincere, insipid, insistent, insolent, insoluble, inspirational, inspiring, instant, instantaneous, instinctive, instinctual, institutional, instructional, instructive, instrumental, insubordinate, insubstantial, insufficient, insulting, insuperable, insurgent, insurmountable, intact, intactible, intangible, integral, integrated, integrative, intellectual, intelligent, intelligible, intense, intensive, intent, intentional, intentioned, interaxial, interchangeable, interclass, intercollegiate, intercontinental, interdenominational, interdepartmental, interdependent, interested, interesting, interfacial, interfaith, interglacial, intergovernmental, intergroup, interim, interior, interlayer, interlibrary, interlobular, intermediary, intermediate, interminable, intermittent, intermolecular, internal, international, internationalist, interpeople, interpersonal, interplanetary, interpretable, interpretative, interspecies, interstage, interstate, interstellar, interstitial, intial, intimal, intimate, intolerable, intolerant, intractable, intradepartmental, intraepithelial, intramural, intranasal, intrapulmonary, intratissue, intrepid, intricate, intriguing, intrinsic, introductory, introspective, intrusive, intuitive, invalid, invaluable, invariable, invariant, inventive, inverse, investigative, inveterate, invincible, inviolable, inviolate, invisible, invitational, inviting, involuntary, involutorial, involved, invulnerable, inward.

IO: ionic.

IR: iraqi, irate, irish, irksome, iron, ironic, ironical, irrational, irreconcilable, irredeemable, irreducible, irregular, irrelevant, irremediable, irreparable, irresistible, irresolute, irresolvable, irrespective, irresponsible, irreverent, irreversible, irrevocable, irritable, irritating.

IS: isolated, isolationistic, isothermal, isotonic, isotopic, isotropic, israeli.

IT: italian, itchy, ithacan, itinerant.

IV: ivory.

See more – positive I adjectives

By number of letters


3: icy, ill

4: icky, idle, iron

5: ideal, iliac, inane, inapt, inept, inert, inner, ionic, iraqi, irate, irish, itchy, ivory

6: inborn, indian, indoor, infant, infirm, inland, innate, insane, inside, intact, intent, intial, inward, ironic

7: idiotic, idyllic, igneous, illegal, illicit, immense, immoral, impious, inboard, inexact, infidel, inhuman, initial, injured, inshore, insipid, instant, intense, interim, intimal, invalid, inverse, irksome, israeli, italian, ithacan

8: illusive, illusory, immanent, immature, imminent, immodest, immortal, imperial, implicit, impolite, imported, impotent, improper, improved, impudent, inactive, incident, incisive, inclined, incoming, indebted, indecent, indigent, indirect, indolent, inertial, inexpert, infamous, inferior, infinite, influent, informal, infrared, inherent, inhumane, inimical, innocent, insecure, insolent, integral, interior, internal, intimate, intrepid, inviting, involved, ironical, isolated, isotonic, isotopic

9: identical, idiomatic, illogical, imaginary, imitative, immediate, immovable, immutable, impartial, impassive, impatient, imperfect, imperious, impetuous, impolitic, important, imprecise, impressed, impromptu, impulsive, inanimate, inaudible, inaugural, incapable, incarnate, incertain, incessant, incipient, inclement, inclusive, incorrect, increased, incumbent, incurable, indelible, indignant, indulgent, ineffable, infantile, infertile, ingenious, injurious, innermost, inorganic, insidious, insincere, insistent, insoluble, inspiring, insulting, insurgent, intensive, intricate, intrinsic, intrusive, intuitive, invariant, inventive, inviolate, invisible, irregular, irritable, isotropic, itinerant

10: idealistic, ideational, illiterate, imcomplete, immaculate, immaterial, immemorial, immoderate, impassable, impeccable, imperative, impersonal, impervious, implacable, impossible, impressive, improbable, inaccurate, inadequate, incautious, incestuous, incidental, incoherent, incomplete, increasing, incredible, indecisive, indefinite, indelicate, indicative, indigenous, indiscreet, indistinct, individual, indonesian, industrial, ineligible, inevitable, inexorable, infallible, infectious, inflexible, infrequent, inglorious, inhibitory, iniquitous, injunctive, innovative, inoperable, insatiable, intactible, intangible, integrated, interaxial, interclass, interested, interfaith, intergroup, interlayer, interstage, interstate, intolerant, intramural, intranasal, intriguing, invaluable, invariable, inveterate, invincible, inviolable, irrational, irrelevant, irresolute, irreverent, irritating, isothermal

11: ideological, illusionary, illustrious, imaginative, impassioned, impertinent, impractical, inadvertent, inadvisable, inalienable, inattentive, incompetent, incongruous, incremental, indefinable, independent, indifferent, indivisible, indomitable, indubitable, industrious, ineffective, ineffectual, inefficient, ineluctable, inescapable, inexcusable, inexpensive, inferential, influential, informative, infuriating, innumerable, inopportune, inquisitive, inscrutable, insensitive, inseparable, instinctive, instinctual, instructive, insuperable, integrative, intelligent, intentional, intentioned, interesting, interfacial, interpeople, intolerable, intractable, intratissue, involuntary, irreducible, irreparable, irrevocable

12: identifiable, illegitimate, illuminating, illustrative, imcomparable, immeasurable, impenetrable, imperishable, imponderable, impoverished, inaccessible, inapplicable, inarticulate, incalculable, incandescent, incomparable, incompatible, inconclusive, inconsistent, inconvenient, incorrigible, indefensible, indigestible, inexplicable, inextricable, inflammatory, ingratiating, inharmonious, inhospitable, instrumental, insufficient, intellectual, intelligible, interglacial, interlibrary, interlobular, intermediary, intermediate, interminable, intermittent, interspecies, interstellar, interstitial, introductory, invitational, involutorial, invulnerable, irredeemable, irremediable, irresistible, irresolvable, irrespective, irreversible

13: idiosyncratic, imperceptible, imperturbable, impracticable, inappropriate, inconceivable, inconspicuous, incontestable, incorruptible, indefatigable, indescribable, indeterminate, indispensable, indispensible, inexhaustible, inexperienced, inexpressible, infinitesimal, informational, inhomogeneous, insignificant, inspirational, instantaneous, institutional, instructional, insubordinate, insubstantial, international, interpersonal, interpretable, introspective, investigative, irresponsible

14: inconsiderable, indecipherable, indestructible, indiscriminate, insurmountable, interdependent, intermolecular, interplanetary, interpretative, intrapulmonary, irreconcilable, isolationistic

15: impressionistic, inconsequential, individualistic, interchangeable, intercollegiate, intraepithelial

16: incomprehensible, incontrovertible, indiscriminating, intercontinental, internationalist

17: indistinguishable, interdepartmental, intergovernmental, intradepartmental


19: interdenominational


This Adjectives That Start site has lots of other educational pages to explore in addition to the above I adjectives list. Glad you visited this page about adjectives that start with the letter i.