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Definition/Meaning

(adjective)

showing great energy or exerting a great deal of effort for/towards something, apparently never becoming tired;

e.g. They were tireless in organizing fundraising initiatives to support the cause.

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Similar Words

Hardworking

Indefatigable

Inexhaustible

Untiring

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Opposite Words

Apathetic

Aweary

Beat

Beaten

Bleary

Broken

Casual

Dead

Desultory

Done

Exhausted

Fatigued

Indolent

Jaded

Knackered

Lackadaisical

Laggard

Languid

Lazy

Limp

Listless

Logy

Prostrate

Shiftless

Slothful

Sluggish

Spent

Spiritless

Tired

Washed-out

Weary

Worn-out

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Related Words

Active

Assiduous

Bustling

Busy

Busyness

Conscientious

Determined

Diligent

Dogged

Dynamic

Energetic

Engaged

Feverish

Fussy

Hard

Hopping

Industrious

Intense

Laborious

Loving

Meticulous

Painstaking

Patient

Persistent

Pertinacious

Relentless

Scrupulous

Sedulous

Slavish

Spirited

Steadfast

Steady

Strenuous

Stubborn

Tenacious

Unfailing

Unfaltering

Unflinching

Unrelenting

Unremitting

Unwavering

Vigorous

Working

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Comments

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