night owl


noun Informal.

a person who often stays up late at night; nighthawk.

Origin of night owl

First recorded in 1585–95

British Dictionary definitions for night owl

night owl

night hawk


noun

informal a person who is or prefers to be up and about late at night

Idioms and Phrases with night owl

night owl

A person who habitually stays up late and is active at night, as in You can call her after midnight, for she's a night owl. This colloquial term, originally used in the late 1500s for an owl that is active at night, was transferred to nocturnal human beings in the mid-1800s.