indefatigable

1. 1.

   showing sustained enthusiastic action with unflagging vitality

   “an indefatigable advocate of equal rights”

   “a tireless worker”

   “unflagging pursuit of excellence”

   Synonymstirelessunflaggingunwearying

   Similarenergetic

Questions about indefatigable

What does indefatigable mean?

indefatigable means "showing sustained enthusiastic action with unflagging vitality".

How many syllables are in indefatigable?

indefatigable has 6 syllables: in-de-fat-i-ga-ble. The stress falls on "fat". In IPA it is /ˌɪndɪˈfætɪɡəbəl/.

What is another word for indefatigable?

Close synonyms include tireless, unflagging, unwearying. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is indefatigable a common word?

indefatigable is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.