The belief that people of one sex or gender are inherently superior to others.
The notion that either gender is superior is sexism.
Discrimination or different treatment (e.g. in job opportunities) based on sex or gender.
The fact that there is only one woman in a management position in that company makes it easy to believe that sexism runs rampant there.
Attitudes or actions that are based on or promote the expectation that people adhere to stereotypical social roles (gender roles) based on sex.
the sexism of making and promoting violent films for men and romantic comedies for women