Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “good night”

good night

exclamation    
A1 said when people leave each other in the evening or before going to bed or to sleep: Well, good night - sleep well. Give the children a good-night kiss. → Compare night exclamationWelcoming, greeting and greetings
(Definition of good night exclamation from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of good night

Definitions of “good night” in other dictionaries

Word of the Day

friendship

a situation in which two people are friends

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More