adj. 25B6; adjective TREACHEROUS, disloyal, treasonous, back-stabbing; double-crossing, double-dealing, faithless, unfaithful, two-faced, false-hearted, duplicitous, deceitful, false; informal two-timing; poetic/literary perfidious.
loyal.
adj. 25B6; adjective TREACHEROUS, disloyal, treasonous, back-stabbing; double-crossing, double-dealing, faithless, unfaithful, two-faced, false-hearted, duplicitous, deceitful, false; informal two-timing; poetic/literary perfidious.
loyal.
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012