Meaning of “okay” - Learner’s Dictionary

okay

adjective, adverb ( also OK) uk us /əʊˈkeɪ/ informal
GOOD

A2 good or good enough:

Is your food okay?
It was okay, but it wasn't as good as his last film.
SAFE

A1 safe or healthy:

Is your grandmother okay now?
ALLOWED

A2 allowed or acceptable:

Is it okay if I leave early today?
[ + to do sth ] Is it okay to smoke in here?

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