One Word Substitutions Starting with I

Ia – Im

Icon – Symbol or representation

Iconoclast – One who attacks traditional beliefs

Idealist – One guided by ideals rather than practicality

Idiom – Expression with figurative meaning

Idiosyncrasy – Peculiar habit or trait

Idle – Lazy, inactive

Idolater – Worshipper of idols

Ignoble – Dishonourable

Ignominy – Public shame

Ignoramus – Very ignorant person

Illegible – Not readable

Illicit – Illegal

Illiterate – One who cannot read or write

Illogical – Not logical

Illusion – False impression

Illusive – Misleading

Imbecile – Very stupid person

Immaculate – Perfectly clean

Immaterial – Irrelevant

Immature – Not fully grown

Immeasurable – Too great to be measured

Immigrant – One who comes to live in a new country

Imminent – About to happen

Immortal – Deathless

Immovable – Cannot be moved

Impartial – Not biased

Impediment – Obstruction

Imperative – Absolutely necessary

Imperceptible – Very slight, unnoticeable

Imperil – To endanger

One Word Substitutions Starting with I

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Im – In

Impertinent – Rude, disrespectful

Impervious – Not affected by

Impetuous – Rash, impulsive

Implausible – Not believable

Implicit – Implied, not stated directly

Impolite – Rude

Importune – To beg persistently

Impoverished – Very poor

Impromptu – Done without preparation

Improvident – Careless about future

Imprudent – Lacking good judgement

Impudent – Shamelessly disrespectful

Impulsive – Acting without thinking

Inaccessible – Hard to reach

Inaccurate – Not correct

Inadequate – Not sufficient

Inadvertent – Unintentional

Inalienable – Cannot be taken away

Inanimate – Not alive

Inaudible – Cannot be heard

One Word Substitutions Starting with I

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In – Inh

Inauguration – Formal beginning

Incantation – Words believed to have magical power

Incarceration – Imprisonment

Incendiary – Causing fire or conflict

Inception – Beginning

Incessant – Continuous, without stopping

Incest – Sexual relation among close relatives

Inchoate – Just begun, undeveloped

Incognito – In disguise

Incoherent – Not clear

Incompetent – Not capable

Inconceivable – Beyond imagination

Incongruous – Out of place

Inconsequential – Unimportant

Incontrovertible – Cannot be denied

Incorporeal – Without physical form

Incredible – Unbelievable

Increment – Increase

Incubation – Period of development

Incumbent – Holder of an office

One Word Substitutions Starting with I

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Ind – Inf

Indebted – Owing gratitude

Indecipherable – Not understandable

Indefatigable – Tireless

Indelible – Cannot be erased

Indemnity – Compensation for loss

Independent – Free, not under control

Indescribable – Too great to describe

Indifferent – Having no concern

Indigenous – Native

Indignant – Angry at unfairness

Indispensable – Absolutely necessary

Indistinct – Not clear

Individualist – One who lives independently

Indolent – Lazy

Indomitable – Cannot be subdued

Indubitable – Unquestionable

Indulgent – Too lenient

Ineffable – Too great for words

Inefficient – Not effective

Inevitable – Sure to happen

One Word Substitutions Starting with I

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Inf – Inv

Infamous – Well known for bad deeds

Infanticide – Killing of infants

Infatuation – Foolish love

Infectious – Spreading by contact

Inferior – Lower in rank

Infinite – Endless

Inflammable – Easily set on fire

Influential – Having great effect

Ingenious – Clever, original

Invaluable – Priceless, extremely valuable

One Word Substitutions Starting with I

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One Word Substitutions Starting with H