indefatigable

adjective
UK: /ˌɪndɪˈfatɪɡəb(ə)l/
US: /ˌɪndɪˈfætɪɡəb(ə)l/

  1. Able to continue for a long time without becoming tired.

    1. She is an indefatigable worker, always the first to arrive.
    2. The explorer's indefatigable spirit allowed him to overcome many hardships.

  2. Showing sustained enthusiasm with great stamina.

    1. He was indefatigable in his pursuit of justice for all people.
    2. Her indefatigable energy inspires everyone in the organization to excel in their field.

Synonyms

untiring persistent unflagging vigorous relentless energetic tireless

Frequently Asked Questions

The word "indefatigable" in English means: Able to continue for a long time without becoming tired., Showing sustained enthusiasm with great stamina..

The phonetic transcription of "indefatigable" is /ˌɪndɪˈfatɪɡəb(ə)l/ in British English and /ˌɪndɪˈfætɪɡəb(ə)l/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "indefatigable": untiring, persistent, unflagging, vigorous, relentless, energetic, tireless.

Example usage of "indefatigable": "She is an indefatigable worker, always the first to arrive.". More examples on the page.