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| adj. Having or showing a capacity for persistent effort; not tiring or relenting: a tireless advocate; tireless efforts. tireless·ly adv. tireless·ness n. Synonyms: tireless, indefatigable, unflagging, untiring, unwearied, weariless These adjectives mean having or showing a capacity for persistent or prolonged effort: a tireless worker; an indefatigable advocate of human rights; unflagging pursuit of excellence; untiring energy; an unwearied researcher; a weariless defender of freedom of the press. |
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