What is the meaning of indefatigable?

adjective

  • Showing sustained enthusiastic action with unflagging vitality.
    • usage: "an indefatigable advocate of equal rights"; "a tireless worker"; "unflagging pursuit of excellence"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). indefatigable. Retrieved September 20, 2026, from http://smartdefine.org/indefatigable/definitions/1176428
ChicagoWordNet. 2010. "indefatigable" http://smartdefine.org/indefatigable/definitions/1176428 (accessed September 20, 2026).
HarvardWordNet 2010, indefatigable, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/indefatigable/definitions/1176428>.
MLAWordNet. "indefatigable" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/indefatigable/definitions/1176428>
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