stereotype
US /ˈster.i.ə.taɪp/
UK /ˈster.i.ə.taɪp/

1.
a widely held but fixed and oversimplified image or idea of a particular type of person or thing
:
•
It's important to challenge gender stereotypes.
•
The film avoids common cultural stereotypes.
1.
to view or represent as a stereotype
:
•
Don't stereotype people based on their appearance.
•
The media often stereotypes certain groups.