Synonyms of indefatigable
7 similar words · 1 opposite word
Another word for indefatigable is tireless. Other synonyms of indefatigable are untiring, unflagging, unwearying and inexhaustible.
Synonyms and similar words for indefatigable
adjectiveExtremely persistent and untiring.
- inexhaustibleImpossible to exhaust; unlimited.
- relentless
- tirelessIndefatigable, untiring and not yielding to fatigue.
- unflaggingNever tiring or lacking energy; without rest; without slowing.
- unsinkable
- untiringNot able to be tired; inexhaustible, tireless.
- unwearyingUntiring; not becoming tired.
Opposite of indefatigable
adjectiveExtremely persistent and untiring.
- defatigableEasily tired or wearied; capable of being fatigued.
Meaning of indefatigable
- adjective Extremely persistent and untiring.
indefatigable in other languages
Questions about synonyms of indefatigable
- What is another word for indefatigable?
- Indefatigable has 7 synonyms on Word.ws, such as tireless, untiring, unflagging, unwearying and inexhaustible.
- What is the opposite of indefatigable?
- The opposite of indefatigable is defatigable.
- What does indefatigable mean?
- Indefatigable means extremely persistent and untiring.
Source and license
Adapted from Wiktionary: indefatigable (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of indefatigable.” Word.ws, https://word.ws/synonyms/indefatigable. Based on Wiktionary, CC BY-SA 4.0.