Adjectives that start with I, whether positive or negative, can help bring better descriptions to your writing or day-to-day conversations.
In this article, we’ll explore hundreds of I adjectives that you can start using immediately!
Table of Contents
ToggleAdjectives that Start with I 2024
Adjectives in English are used before a noun or pronoun to describe a person, place, or thing.
They make the noun more descriptive for whoever is listening to or reading the sentence and help to answer questions.
These questions might be:
- What kind?
- Whose is it?
- Which is it?
Here is a list of more adjectives that start with I:
- Icky
- Iconoclastic
- Icy
- Icy-Cold
- Ideal
- Idealistic
- Identical
- Identifiable
- Idiosyncratic
- Idiotic
- Idyllic
- Ignorable
- Ignorant
- Ill
- Ill-Equipped
- Ill-Fated
- Ill-Humored
- Ill-Informed
- Illegal
- Illegitimate
- Illicit
- 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
- Incongruent
- 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
- Indian
- Indicative
- Indifferent
- Indigenous
- Indignant
- Indigo
- Indirect
- Indiscreet
- Indiscriminate
- Indispensable
- Indisputable
- Indistinct
- Individual
- Individualistic
- Indivisible
- Indomitable
- Indonesian
- 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
- Irish
- Irksome
- Iron-Fisted
- Ironic
- Irrational
- Irreconcilable
- Irrefutable
- Irregular
- Irrelative
- Irrelevant
- Irremovable
- Irreparable
- Irreplaceable
- Irrepressible
- Irresistible
- Irresponsible
- Irretrievably
- Irreverent
- Irreversible
- Irrevocable
- Irritable
- Irritated
- Irritating
- Isolated
- Italian
- Itchy
- Itty-Bitty
Positive Adjectives that Start with I 2024
Adjectives will generally fall in either the positive or negative category of words.
Positive adjectives that start with I might be:
Influential. Example: That book was very influential.
Inspired: Example: That song was quite inspired.
Here is a list of more positive I adjectives:
- Ideal
- Idealistic
- Identifiable
- Illuminating
- Imaginable
- Imaginative
- Immaculate
- Immense
- Immortal
- Impassioned
- Impeccable
- Imperial
- Important
- Imposing
- Impressive
- Improvable
- Improved
- Inarguable
- Incandescent
- Inclusive
- Incorruptible
- Increasing
- Incredulous
- Independent
- Indestructible
- Indispensable
- Individual
- Indivisible
- Indomitable
- Indulgent
- Industrious
- Inexhaustible
- Inexpensive
- Infallible
- Infinite
- Influent
- Influential
- Informal
- Informed
- Innocent
- Innocuous
- Inquiring
- Inquisitive
- Inseparable
- Insightful
- Inspirational
- Inspired
- Instant
- Instinctive
- Instinctual
- Instructive
- Instrumental
- Intact
- Integral
- Integrated
- Intellectual
- Intelligent
- Intended
- Interchangeable
- Interested
- Interesting
- Intimate
- Intrepid
- Intriguing
- Intrinsic
- Intuitive
- Invaluable
- Inventive
- Invincible
- Inviting
- Involved
- Irresistible
Negative Adjectives that Start with I 2024
You can also use negative adjectives that start with I to describe a noun.
Below are a few examples:
Immature. Example: The child acted very immaturely.
Impatient. Example: The mother became impatient with her child.
Here is a list of more negative adjectives that start with I:
- Icy
- Idiotic
- Ignorant
- Ignored
- Ill
- Ill-Fated
- Illegal
- Illegible
- Illegitimate
- Illicit
- Illogical
- Immature
- Immeasurable
- Immodest
- Immoral
- Immovable
- Impassable
- Impatient
- Impenetrable
- Imperfect
- Imperialistic
- Impersonal
- Impetuous
- Impious
- Implausible
- Implosive
- Impolite
- Imposing
- Impossible
- Impoverished
- Impractical
- Imprecise
- Improbable
- Improper
- Imprudent
- Impure
- Inaccessible
- Inaccurate
- Inactive
- Inadequate
- Inadmissible
- Inadvisable
- Inane
- Inapplicable
- Inappropriate
- Inapt
- Inarticulate
- Inattentive
- Incoherent
- Incompetent
- Ineffective
- Infamous
- Insane
- Insecure
- Insidious
- Insignificant
- Insulting
- Irrational
- Irresponsible
- Irritating
Adjectives that Start with I to Describe a Person 2024
You want to be specific when describing a person or group of people, and adjectives that start with I are a good way to do that!
Examples you might use are:
Intelligent. Example: The professor is very intelligent.
Ideological. Example: The revolutionary was entirely ideological.
Here is a list of amazing I adjectives you might use to describe someone:
- Idealistic
- Idealized
- Identical
- Identifiable
- Identified
- Ideographic
- Ideologic
- Ideological
- Idiomatic
- Idiosyncratic
- Idiotic
- Idle
- Idolized
- Idyllic
- Ill
- Illegal
- Illegitimate
- Illicit
- Illiterate
- Illogical
- Illuminated
- Illusive
- Illustrious
- Imaginable
- Imaginary
- Imaginative
- Imbecile
- Imbecilic
- Immaculate
- Immature
- Immodest
- Immoral
- Impartial
- Impassioned
- Impassive
- Impatient
- Impersonal
- Impertinent
- Impetuous
- Impious
- Imploring
- Impolite
- Imposing
- Impoverished
- Impractical
- Impregnable
- Impressed
- Impressionable
- Impressionist
- Impressive
- Imprisoned
- Improbable
- Impromptu
- Improper
- Improved
- Improving
- Improvised
- Imprudent
- Impudent
- Impugnable
- Impulsive
- Inactive
- Inadequate
- Inadmissible
- Inadvertent
- Inadvisable
- Inane
- Inappropriate
- Inarticulate
- Inattentive
- Inaudible
- Inbound
- Inbred
- Incensed
- Incestuous
- Inclined
- Incoherent
- Incorrigible
- Indecent
- Indecisive
- Indefeasible
- Indefinable
- Indefinite
- Indelicate
- Indentured
- Independent
- Indescribable
- Indestructible
- Indeterminate
- Indian
- Indicative
- Indicatory
- Indigenous
- Indigent
- Indirect
- Indiscreet
- Indiscriminate
- Indiscriminating
- Indisposed
- Indisputable
- Indistinct
- Individual
- Individualist
- Individualistic
- Individualized
- Induced
- Indulgent
- Inebriated
- Ineffable
- Ineffectual
- Inexact
- Inexhaustible
- Infantile
- Infatuated
- Inflexible
- Infuriating
- Ingenious
- Ingrained
- Ingratiating
- Ingratiatory
- Ingrown
- Inharmonious
- Inherent
- Inheritable
- Inherited
- Inheriting
- Inhibited
- Inhumane
- Initial
- Injured
- Injurious
- Innocent
- Innovative
- Inoffensive
- Inoperable
- Inquiring
- Inquisitive
- Inquisitorial
- Insane
- Insatiable
- Inscrutable
- Insecure
- Insensitive
- Insidious
- Insincere
- Insipid
- Insistent
- Inspirational
- Inspired
- Insulting
- Insurrectional
- Intelligent
- Intense
- Intent
- Interesting
- Intolerant
- Intriguing
- Introspective
- Introvert
- Introverted
- Irate
- Irrational
- Irresponsible
- Irreverent
- Irritable
FAQs
What are the most common adjectives that start with I?
Intelligent might be one of the most common adjectives starting with I which implies a person or animal is smart. Illegal is another common adjective to mean something that is against the law.
What are the least common adjectives that start with I?
Immaculate is an uncommon adjective that generally means very pure or clean. Incandescent is a kind of glowing lighting. Both of those I adjectives are less common in daily speech or writing.
What are some personality adjectives that start with I?
You can say someone is introverted when they are not very talkative or outgoing. You could also say someone is irresponsible if they don’t think much about outcomes or take ownership of their actions.
You might be interested to check those related posts as well:
- 400 Interesting Positive Words That Start With I [2023]
- [100+] Great Adjectives that start with K this 2024
- [280+] Lovely Adjectives that Start with L this 2024
Conclusion
Adjectives are what turn your short, boring sentences into descriptive writing. Anytime you need an illuminating adjective, consider reaching for those that start with I!