adj. 25B6; adjective what arrant nonsense! : UTTER, complete, total, absolute, downright, outright, thorough, out-and-out, sheer, pure, unmitigated, unqualified; blatant, flagrant; Brit. informal right.
ARRANT
Meaning of ARRANT in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012