Indefatigable
adjective
Never tiring, relentlessly persistent
“The indefatigable librarian catalogued ten thousand volumes in a single academic year.”
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What does indefatigable mean?
Commonly confused with
- NotEasily exhausted
- NotCarefully paced
- NotQuietly resting
Nearby words
Indefatigable is one of 1,969 SAT words in Professor Tas, a free story game where you learn them in context instead of from a list.
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