dəs, (ˈ)dis+ adjective
Etymology: Middle French desloial, from Old French deslëal, from des- dis- (I) + lëal loyal — more at loyal
: not loyal : marked by lack of adherence to a sovereign, leader, country, principle, or cause claiming allegiance or by lack of adherence to vows, obligations, or promises especially in friendships or marriage
great party people think … openmindedness disloyal — G.B.Shaw
Synonyms: see faithless