Meaning of “retire” - Learner’s Dictionary

retire

verb [ I ] uk us /rɪˈtaɪər/
STOP WORK

B1 to leave your job and stop working, usually because you are old:

She retired from the company in 2010.
GO formal

to go to another place where you can be alone or more private:

After dinner, he retired to his bedroom.

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