adj. 25B6; adjective RESOLUTE, determined, single-minded, dogged, resolved, firm, committed, steady, unwavering, unflagging, unswerving, unfaltering, untiring, undaunted, fearless.
UNFLINCHING
Meaning of UNFLINCHING in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012