Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “night owl”

night owl

noun [C]    /ˈnɑɪt ˌɑʊl/
someone who prefers to be awake and active at night: My wife's a night owl, but I like to be in bed by 10 o'clock.
(Definition of night owl noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of night owl

Definitions of “night owl” in other dictionaries

Translations of “night owl”

Word of the Day


the skill or activity of preparing and cooking food

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More