Meaning of “good night” - Learner’s Dictionary

good night

exclamation us uk
Good night - sleep well!Good night, Polly.Good night - sleep tight.Say goodnight to Daddy.I said goodnight and switched the light out.

A1 something you say when you leave someone or when they leave you in the evening or when someone is going to bed

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