good night

Definition

A farewell said in the evening or before going to sleep.

Etymology

Probably a shortening of "May you have a good night."

Example Sentences

• "[…] peculiarities of your law always interest me. What is 'legitim'?" "Oh! Good-night!" I said derisively. "But I am in dead earnest, and really want to know," he added with a perfectly serious face; "I have a small bet on.""
• "Together they pried into the sodden mass, yanking out what was left of the record books. "Oh, good night!" Joe moaned in dismay. "The fire extinguisher liquid has messed up what the fire didn't.""