Meaning of “alienate” - Learner’s Dictionary

alienate

verb [ T ] uk us /ˈeɪliəneɪt/
LOSE SUPPORT

to make someone stop supporting and liking you:

The government's comments have alienated many teachers.
NOT INCLUDE

to make someone feel that they are different and do not belong to a group:

Disagreements can alienate teenagers from their families.
alienation uk us /ˌeɪliəˈneɪʃən/ noun [ U ]

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