{interj.} 1. Used as a polite phrase when you leave someone at night. * /"Good night!" said Bob as he left Dick's house after the party. "I'll see you in the morning."/ * /Bill said good night to his parents and went upstairs to bed./ 2. or
GOOD NIGHT
Meaning of GOOD NIGHT in English
Slang English vocab. Английский сленговый словарь. 2012