Good Night (noun) Definition, Meaning & Examples

interjection
  1. an expression of farewell used in parting at nighttime or when going to sleep.
noun
  1. a farewell or leave-taking: He said his good-nights before leaving the party.
sentence substitute
  1. a conventional expression of farewell, or, rarely, of greeting, used in the late afternoon, the evening, or at night, esp when departing to bed
Good Night (noun) Definition, Meaning & Examples

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