- a farewell or leave-taking: He said his good-nights before leaving the party.
- an expression of farewell used in parting at nighttime or when going to sleep.
Origin of good night
Examples from the Web for good-night
Then drawing on her gloves she offered me her hand, with a frank, “Good-night, Mr. Scott,” and walked out.Read ‘The King in Yellow,’ the ‘True Detective’ Reference That’s the Key to the Show
Robert W. Chambers
February 20, 2014
"Good-night, captain," said the superintendent, accompanying him to the door.Brave and Bold
They never said How do you do, or Good-night—and Corney very ill too!Weighed and Wanting
When she got out of the car, she bade him good-night and good-bye.
"Good-night, Christine," he said, and went into the hall and upstairs.
"Oh, good-night," she said impatiently, suddenly breaking from him.The Foolish Lovers
St. John G. Ervine
- a conventional expression of farewell, or, rarely, of greeting, used in the late afternoon, the evening, or at night, esp when departing to bed
Idioms and Phrases with good-night
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]
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]