Share this entry


Synonyms of indefatigable in English:


  • he is one of those indefatigable researchers who won't take no for an answer
    energetic, dynamic, enthusiastic;
    unrelenting, relentless, unremitting, unswerving, unfaltering, unshakeable, indomitable;
    persistent, tenacious, determined, dogged, single-minded, assiduous, industrious
    [Antonyms] idle, feeble
  • Share this entry

    What do you find interesting about this word or phrase?

    Comments that don't adhere to our Community Guidelines may be moderated or removed.