Important Synonyms Starting with I

🔹 Word → Synonyms

Idle – lazy, inactive, sluggish, indolent

Idea – thought, notion, concept, perception

Ideal – perfect, exemplary, model, flawless

Identify – recognize, distinguish, detect, name

Idle talk – gossip, chatter, prattle, babble

Ignite – burn, kindle, light, inflame

Ignoble – dishonorable, mean, vile, base

Ignorant – unaware, uneducated, illiterate, uninformed

Illegal – unlawful, illicit, forbidden, prohibited

Illiterate – uneducated, ignorant, unschooled, uninformed

Illness – sickness, disease, ailment, disorder

Illuminate – brighten, light up, clarify, explain

Illusion – deception, delusion, mirage, hallucination

Imagination – fantasy, creativity, vision, invention

Immediate – instant, prompt, urgent, direct

Immense – huge, enormous, vast, colossal

Immerse – submerge, plunge, dip, sink

Imminent – near, impending, approaching, forthcoming

Immortal – eternal, everlasting, deathless, undying

Immune – resistant, exempt, protected, safe

Impact – effect, influence, impression, shock

Impair – damage, weaken, spoil, harm

Impartial – fair, just, unbiased, neutral

Impatient – restless, eager, intolerant, anxious

Impeccable – flawless, perfect, faultless, immaculate

Impede – obstruct, hinder, block, delay

Impel – drive, urge, compel, motivate

Imperative – urgent, necessary, essential, vital

Imperfect – faulty, defective, flawed, blemished

Impersonal – neutral, objective, detached, indifferent

Impetuous – hasty, rash, impulsive, reckless

Implement – carry out, execute, enforce, apply

Implication – suggestion, hint, inference, consequence

Implicit – implied, understood, unspoken, tacit

Important – significant, vital, crucial, essential

Impose – enforce, inflict, dictate, force

Impress – influence, inspire, affect, move

Important Synonyms Starting with I

Impression – impact, effect, mark, influence

Imprison – jail, confine, detain, incarcerate

Improve – enhance, better, upgrade, refine

Impudent – rude, insolent, disrespectful, cheeky

Impulse – urge, drive, instinct, motivation

Inability – incapacity, weakness, incompetence, failure

Inadequate – insufficient, lacking, meager, deficient

Inaugurate – begin, commence, initiate, launch

Incite – provoke, arouse, instigate, stimulate

Inclination – tendency, preference, leaning, propensity

Include – contain, comprise, encompass, involve

Income – earnings, revenue, profit, salary

Incomplete – unfinished, partial, fragmentary, lacking

Incredible – unbelievable, extraordinary, astonishing, amazing

Indebted – obliged, grateful, thankful, bound

Indecent – vulgar, improper, obscene, immoral

Independent – free, autonomous, self-reliant, sovereign

Indicate – show, demonstrate, reveal, signify

Indifferent – unconcerned, detached, apathetic, neutral

Indigenous – native, local, aboriginal, original

Important Synonyms Starting with I

Indignant – angry, resentful, furious, outraged

Indirect – roundabout, implicit, oblique, circuitous

Indolent – lazy, idle, sluggish, lethargic

Induce – persuade, encourage, motivate, tempt

Indulge – pamper, gratify, satisfy, yield

Industry – business, trade, commerce, enterprise

Inevitable – unavoidable, certain, destined, inescapable

Inexpensive – cheap, economical, affordable, low-cost

Infamous – notorious, disreputable, scandalous, vile

Infant – baby, child, newborn, toddler

Infect – contaminate, taint, pollute, spread

Inferior – lower, lesser, substandard, second-rate

Infinite – endless, limitless, boundless, eternal

Influence – impact, effect, sway, authority

Inform – notify, tell, apprise, report

Information – data, facts, knowledge, details

Infuse – instill, inject, imbue, inspire

Inhabit – dwell, reside, occupy, live

Inherit – receive, acquire, succeed, obtain

Initial – first, primary, original, preliminary

Initiate – start, begin, commence, launch

Injure – hurt, wound, harm, damage

Injustice – unfairness, inequality, wrong, grievance

Innate – natural, inherent, instinctive, inborn

Innocent – blameless, guiltless, pure, harmless

Innovate – invent, create, introduce, develop

Input – contribution, feedback, suggestion, data

Inquiry – investigation, probe, examination, inspection

Insane – mad, crazy, lunatic, deranged

Important Synonyms Starting with I

Insecure – unsafe, unprotected, uncertain, anxious

Insight – perception, understanding, intuition, awareness

Insist – demand, urge, persist, emphasize

Inspire – motivate, encourage, influence, stimulate

Install – set up, establish, position, fix

Instant – immediate, prompt, quick, rapid

Instigate – incite, provoke, urge, foment

Institute – organization, establishment, academy, foundation

Instruct – teach, direct, guide, order

Insult – offend, abuse, affront, humiliate

Insurance – protection, coverage, security, safeguard

Intact – whole, unbroken, complete, undamaged

Intelligent – smart, clever, brilliant, bright

Intense – strong, extreme, powerful, deep

Important Synonyms Starting with H