Meaning & use
indefatigability
Last updated
The quality of being tireless; the ability to keep working or trying without becoming exhausted.
See it in a sentence
The volunteers' indefatigability kept the shelter running through the worst of the storm.
Her coach praised her indefatigability during the grueling training season.
A note on using this word
A rare, formal noun form of "indefatigable"; most writers use the adjective instead, since the noun can sound stiff.
Words with a similar meaning
tirelessnessperseverance
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
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