Jun 11, 2025 · If you want to send someone good wishes when parting ways at night or before going to sleep, good night is the standard spelling, whereas goodnight is an informal alternative.

Aug 20, 2022 · You can use either goodnight or good night when you’re saying farewell to someone at the end of the evening. Learn the difference between these two spellings.

The meaning of GOOD NIGHT is —used to express good wishes in the evening especially when someone is leaving or going to sleep. How to use good night in a sentence.

Jan 1, 2026 · This article explains the difference between “good night” and “goodnight”, explores their origins, usage in British and American English, common mistakes, and which form to use depending …

You say ' Goodnight ' to someone late in the evening before one of you goes home or goes to sleep.

Goodnight and Good night are both acceptable as a way to say goodbye to someone. The meaning of “Goodnight” or “Good night” is that the evening is finished and you are either going home or to bed.

goodnight (ˌɡʊdˈnaɪt) sentence substitute a conventional expression of farewell, or, rarely, of greeting, used in the late afternoon, the evening, or at night, esp when departing to bed

“Goodnight” is the more casual, compound version and is used in informal, everyday situations. “Good night” is slightly more formal and often used in writing or polite conversations.

There are nine meanings listed in OED's entry for the word goodnight, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

GOOD NIGHT meaning: 1. said when people leave each other in the evening or before going to bed or to sleep: 2. said…. Learn more.