n. 25B6; noun CLOSE FRIEND, bosom friend, best friend; intimate, familiar; informal chum, pal, crony; Brit. informal mate, oppo, mucker; N. Amer. informal buddy.
CONFIDANT
Meaning of CONFIDANT in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012