adj. 25B6; adjective FEARLESS, determined, resolute, indomitable, intrepid, doughty, plucky, spirited, mettlesome; undaunted, undismayed, unflinching, unshrinking, bold, audacious, valiant, brave, courageous, daring; informal gutsy, spunky, feisty.
DAUNTLESS
Meaning of DAUNTLESS in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012