indefatigable adjective - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of indefatigable adjective from the Oxford Advanced American Dictionary

indefatigable

adjective

NAmE//ˌɪndɪˈfæt̮ɪɡəbl//

(formal) (approving)

never giving up or getting tired of doing something an indefatigable defender of human rights She was indefatigable in her search for the truth.

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indefatigably

NAmE//ˌɪndɪˈfæt̮ɪɡəbli//

adverbSee indefatigable in the Oxford Advanced Learner's Dictionary

Check pronunciation: indefatigable