Meaning of good night

good" night'

Pronunciation: [key]
  1. an expression of farewell used in parting at nighttime or when going to sleep.

good-night

Pronunciation: (good"nīt'), [key]
— n.
  1. a farewell or leave-taking: He said his good-nights before leaving the party.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: