adj. 25B6; adjective SPIRITED, game, gritty, intrepid, fearless, courageous, brave, plucky, daring; tenacious, determined, resolved, resolute, indomitable.
METTLESOME
Meaning of METTLESOME in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012