INDEFATIGABLE


Meaning of INDEFATIGABLE in English

in ‧ de ‧ fat ‧ i ‧ ga ‧ ble /ˌɪndɪˈfætɪɡəb ə l/ BrE AmE adjective formal

[ Date: 1600-1700 ; Origin: Early French indéfatigable , from Latin indefatigabilis , from fatigare ; ⇨ ↑ fatigue ]

determined and never giving up SYN tireless :

an indefatigable campaigner for human rights

—indefatigably adverb

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.