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indefatigable

Pronunciation: /ˌɪndɪˈfatɪgəb(ə)l/
Translate indefatigable | into German | into Italian
Definition of indefatigable

adjective

  • (of a person or their efforts) persisting tirelessly:an indefatigable defender of human rights

Derivatives

indefatigability

Pronunciation: /-ˈbɪlɪti/
noun

indefatigably

adverb

Origin:

early 17th century: from French, or from Latin indefatigabilis, from in- 'not' + de- 'away, completely' + fatigare 'wear out'

indefatigable in other Oxford dictionaries

Definition of indefatigable in the US English dictionary

Nearby words

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