disloyal Play adjectiveFailing to be loyal to a person, country, or organization to which one has obligations. SYNONYMS adulterousback-stabbingdeceitfuldissidentdouble-crossingdouble-dealingdouble-facedfaithlessfalsefalse-heartedhollow-heartedinconstantJanus-facedperfidiousPunicrecreantrenegadeseditioussubversivetraitoroustreacheroustwo-facedtwo-timingunfaithfulunpatrioticuntrueuntrustworthy
