Dictionary.com
definitions
  • synonyms

good night

See more synonyms for good night on Thesaurus.com
interjection
  1. an expression of farewell used in parting at nighttime or when going to sleep.
Show More

Origin of good night

Middle English word dating back to 1325–75

good-night

[goo d-nahyt]
noun
  1. a farewell or leave-taking: He said his good-nights before leaving the party.
Show More
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for goodnight

Contemporary Examples

Historical Examples


British Dictionary definitions for goodnight

good night

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
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with goodnight

good night

1

Expression of farewell used when parting at night or when going to sleep, as in He stood at the door, saying good night to each of the departing guests, or Mother came to tuck the children in and kiss them good night. [Late 1300s]

Show More

2

Exclamation of surprise or irritation, as in Good night, Joe!—You can't mean what you said, or Good night, Anne—it's time you learned how to throw a ball. [Late 1800s]

Show More
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.