밤에 헤어질 때나 잠자리에 들기 전 상대방의 안녕을 빌며 건네는 인사말.
A phrase used to express well wishes when parting from someone at night or before going to sleep.
예문:
"He leaned over and whispered a soft goodnight to his sleeping son."
"Goodnight, don't forget to set your alarm for tomorrow morning."
"After the movie, we said our goodnights and went to our separate rooms."