Noun | 1. | sexism - discriminatory or abusive behavior towards members of the opposite sex discrimination, favoritism, favouritism - unfair treatment of a person or group on the basis of prejudice antifeminism, male chauvinism, chauvinism - activity indicative of belief in the superiority of men over women sexual discrimination - discrimination (usually in employment) that excludes one sex (usually women) to the benefit of the other sex |