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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | untiring |
| Synonyms: | active, assiduous, bound and determined, dead set on, determined, diligent, dogged, energetic, hell-bent, industrious, inexhaustible, ironclad, nose to grindstone, painstaking, patient, persevering, persistent, pertinacious, relentless, sedulous, steadfast, stop at nothing, strenuous, tireless, unfaltering, unflagging, unflinching, unremitting, unwavering, unwearied, unwearying, vigorous |
| Antonyms: | fatigued, tired, weary |
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