- a person who often stays up late at night; nighthawk.
Origin of night owl
Related Words for night owlrake, killer, philanderer, cat, player, wolf, womanizer, operator, sport, speed, tomcat, swinger, chaser, abandoned, corrupt, debauched, degenerate, depraved, dissipated
- informal a person who is or prefers to be up and about late at night
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.