English Explanatory Dictionary

indefatigable

English dictionary entry

Meanings

adj
  1. Extremely persistent and untiring.
name
  1. Synonym of Santa Cruz, an island of Galapagos, Ecuador.

Pronunciation

/ˌɪn.dɪˈfæt.ɪ.ɡə.bəl/ /ˌɪn.dəˈfæt.ɪ.ɡə.bəl/ [ˌɪn.dəˈfæɾ.ɪ.ɡə.bəl] En-au-indefatigable.ogg /ˌɪn.dɪ.fəˈti.ɡə.bəl/ /ˌɪn.də-/ En-us-ncalif-indefatigable.ogg

Word forms

indefatigable more indefatigable most indefatigable

Etymology

From Middle French, from Latin indēfatīgābilis (“untiring”), from in- (“not”) + dēfatīgō (“to tire out”).

Synonyms

inexhaustible relentless tireless unflagging unsinkable untiring unwearying Santa Cruz

Antonyms

defatigable

Related words

indissuadable

Derived words

indefatigability Indefatigable indefatigableness indefatigably
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