tireless

tire·less

adjective \ˈtī(-ə)r-ləs\

Definition of TIRELESS

: seemingly incapable of tiring : indefatigable <a tireless worker>

— tire·less·ly adverb

— tire·less·ness noun

Examples of TIRELESS

1. She has been a tireless advocate for reform.
2. <a tireless advocate for human rights>

First Known Use of TIRELESS

1591

Related to TIRELESS

Synonyms

indefatigable, inexhaustible, unflagging, untiring, weariless

Related Words

assiduous, conscientious, diligent, meticulous, painstaking, sedulous; determined, dogged, patient, persevering, persistent, pertinacious, plodding, relentless, steadfast, steady, stubborn, tenacious, unabating, unfailing, unfaltering, unflinching, unrelenting, unremitting, unwavering; active, busy, dynamic, energetic, feverish, spirited, vigorous; hard, industrious, intense, laborious, slavish, strenuous

Near Antonyms

indolent, lackadaisical, laggard, lazy, listless, shiftless, slothful, sluggish; apathetic, casual, desultory, languid, spiritless; beat, broken, burned-out (or burnt-out), done in, drained, enervated, jaded, overtaxed, overworked, played out, sapped, spent, tuckered (out), wearied, worn-out

Rhymes with TIRELESS

fireless, wireless