not willing to accept defeat, even in a difficult situation; very brave and determined 不屈不挠的；勇敢坚定的 an indomitable spirit 不屈不挠的精神 an indomitable campaigner for human rights 不屈不挠的人权运动家
Oxford Collocations DictionaryIndomitable is used with these nouns:- spirit
- will
Word Originmid 17th cent. (in the sense ‘untameable’): from late Latin indomitabilis, from in- ‘not’ + Latin domitare ‘to tame’.