goodnight noun 1forms 1phrases 1 noun1 •an act of wishing someone well when leaving them in the evening or before going to sleepAt last the pupils had all taken their hats and said their “Goodnights,” and Adam, knowing his old master's habits, rose and said, “Shall I put the candles out, Mr. Massey?” — 1859 formsgoodnights Phrases with goodnight goodnight IreneAn involuntary departure.
