Meaning of “stereotype” - Learner’s Dictionary

stereotype

noun [ C ] uk us /ˈsteriəʊtaɪp/

a fixed idea that people have about what a particular type of person is like, especially an idea that is wrong:

racial stereotypes
stereotypical uk us /ˌsteriəʊˈtɪpɪkəl/ adjective

having the qualities that you expect a particular type of person to have:

a stereotypical student

(Definition of “stereotype noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)