Meaning of indefatigable in English

1. Pronunciation

   /ˌɪndəˈfædəɡəb(ə)l/

   US accent

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   UK accent

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1. Classifying Adjective

   indefatigable

   Definitions

   1. showing sustained enthusiastic action with unflagging vitality

   Examples

   • « an indefatigable advocate of equal rights »
   • « a tireless worker »
   • « unflagging pursuit of excellence »

   Synonyms

   • energetic