Meaning of “used” - Learner’s Dictionary

used

adjective uk us /juːst/
used to sth/doing sth

B1 If you are used to something, you have done it or experienced it many times before:

He's used to working long hours.
We've been living here for two years and we've UK got used to/ US gotten used to the heat.
→ Opposite unused

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