double standard

English Thesaurus

1. an ethical or moral code that applies more strictly to one group than to another (noun.communication)

hypernym	:	ethic, ethical code,
definition	:	a system of principles governing morality and acceptable conduct (noun.communication)

hyponym	:	double standard of sexual behavior,
definition	:	a code that permits greater sexual freedom for men than for women (associated with the subordination of women) (noun.communication)