Adjectives Starting with I

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More Categories for the Adjectives Starting with I

The adjectives listed in the Interesting Adjectives category are those which can make your writing or speech more exciting to read or hear. Moreover, these words can also enhance the style of your writing. The Positive Adjectives lists are composed of descriptive words which refer to desirable characteristics, while the Negative Adjectives categories contain adjectives that refer to undesirable qualities. There are three categories for Positive Adjectives and three for Negative Adjectives because the words are sorted depending on whether they describe a person, an event or a place.

Interesting Adjectives

imperturbable: unable to be upset or excited; calm

–          an imperturbable tranquility

infinitesimal: extremely small

–          an infinitesimal pause

insidious: proceeding in a gradual, subtle way, but with harmful effects

–     sexually transmitted diseases can be insidious and sometimes without symptoms

interim: in or for the intervening period; provisional or temporary

–          an interim arrangement

inveterate: having a particular habit, activity, or interest that is long-established and unlikely to change

–          he was an inveterate gambler

Positive Adjectives to Describe a Person

illustrious: well known, respected, and admired for past achievements

–          his illustrious predecessor

imaginative: having or showing creativity or inventiveness

–          he is making imaginative use of computer software

intelligent: having or showing intelligence, especially of a high level

–          she is intelligent and hardworking

invaluable: extremely useful; indispensable

–          an invaluable member of the team

inventive: having the ability to create or design new things or to think originally

–          she is the most inventive painter around

Positive Adjectives to Describe an Event

informative: providing useful or interesting information

–          a thought-provoking, informative seminar

international: existing, occurring, or carried on between two or more nations

–      international trade

interesting: arousing curiosity or interest; holding or catching the attention

–      an interesting debate

inspiring: having the effect of inspiring someone

–      an inspiring life event

instantaneous: occurring or done in an instant or instantly

–          her reaction was almost instantaneous

Positive Adjectives to Describe a Place

idyllic: like an idyll; extremely happy, peaceful, or picturesque

–      an attractive hotel in an idyllic setting

immense: extremely large or great, especially in scale or degree

–      dining in an immense restaurant

impressive: evoking admiration through size, quality, or skill: grand, imposing, or awesome

–      an impressive view of the mountains

incredible: difficult to believe; extraordinary

–      the waterfalls are incredible

inviting: offering the promise of an attractive or enjoyable experience

–      the sea down there looks so inviting

Negative Adjectives to Describe a Person

insensitive: showing or feeling no concern for others’ feelings

–     he is always insensitive and insulting

irresponsible:  not showing a proper sense of responsibility

–      it would have been irresponsible just to drive on

irreverent: showing a lack of respect for people or things that are generally taken seriously

–      she is irreverent about the whole business of politics

irritable: having or showing a tendency to be easily annoyed or made angry

–      she was tired and irritable

irritating: causing annoyance, impatience, or mild anger

–      an irritating child

Negative Adjectives to Describe an Event

idle: without purpose or effect; pointless

–          idle negotiation

intractable: hard to control or deal with

–      intractable economic problems

irksome: irritating; annoying

–          an irksome experience

irrational: not logical or reasonable

–          an irrational discussion

irresolvable: impossible to solve or settle

–          irresolvable problem

Negative Adjectives to Describe a Place

icy: covered with or consisting of ice; very cold

–          there were icy patches on the roads

inscrutable: difficult to understand; causing people to feel curious or confused

–          an inscrutable site

insubstantial: lacking strength and solidity

–          an insubstantial hut

intolerable: unable to be endured

–          an intolerable workplace

isolated: far away from other places, buildings, or people; remote

–          isolated farms and villages

Heroic Adjectives

ideal: satisfying one’s conception of what is perfect; most suitable

–          he is an ideal figure

immovable: not yielding to argument or pressure

–          he remained immovable, in spite of threats

intrepid: fearless; adventurous

–          an intrepid protector

invincible: too powerful to be defeated or overcome

–          an invincible warrior

invulnerable: impossible to harm or damage

–          the gladiator seemed invulnerable

Sporty Adjectives

impenetrable: impossible to pass through or enter

–          his impenetrable defense against the striker of the opposing team

impetuous: acting or done quickly and without thought or care; moving forcefully or rapidly

–          his impetuous shot selections

incalculable: too great to be calculated or estimated

–          his speed seems incalculable

incontestable: not able to be disputed

–          their victory against the defending champion is incontestable

intense: of extreme force, degree, or strength

–      an intense match between the teams

Romantic Adjectives

immaculate: perfectly clean

–          my immaculate love for you

impeccable: (of behavior, performance, or appearance) in accordance with the highest standards of propriety; faultless

–          a woman of impeccable character

inseparable:  unwilling to be separated; usually seen together

–          we met 18 months ago and have been inseparable ever since

intimate: private and personal; closely acquainted; familiar, close

–          our intimate moments

irresistible: too attractive and tempting to be resisted

–          he finds her irresistible

Shortest Adjectives

in: currently fashionable

–        the in thing to do

icy: covered with or containing or consisting of ice

–        icy northern waters

ill: presaging ill fortune

–        ill omens

icky: soft and sticky

–        an icky insect

idle: without purpose or effect; pointless

–        an idle argument

iffy: subject to accident or chance or change

–        an iffy appeal at best

inky: of the color of black ink

–        an inky hair color

inst: in or of the present month

–        your letter of the 10th inst

iron: extremely robust

–        an iron constitution

ictal: of or relating to a seizure or convulsion

–        an ictal phase

Longest Adjectives

interdenominational: occurring between or among or common to different churches or denominations

–        interdenominational cooperation

internationalistic: influenced by or advocating internationalism

–         an internationalistic outlook

immunocompromised: unable to develop a normal immune response usually because of malnutrition or immunodeficiency or immunosuppressive therapy

–        immunocompromised patients

immunosuppressive: of or relating to a substance that lowers the body’s normal immune response and induces immunosuppression

–        immunosuppressive therapy

immunotherapeutic: of or relating to immunotherapy

–        various immunotherapeutic techniques

indistinguishable: not capable of being distinguished or differentiated

–        the two specimens are actually different from each other but the differences are almost indistinguishable

institutionalised: officially placed in or committed to a specialized institution

–        had hopes of rehabilitating the institutionalised juvenile delinquents

institutionalized: established in practice or custom; established as part of an official organization

–        the danger of discrimination becoming institutionalized

interdepartmental: between or among departments

–        interdepartmental competition

interdisciplinary: drawing from or characterized by participation of two or more fields of study

–        interdisciplinary studies