English

Definition of night owl noun from the Oxford Advanced Learner's Dictionary

 

night owl

 noun
noun
BrE
 
; NAmE
 
(informal)
 
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a person who enjoys staying up late at night The resort is a paradise both for sun worshippers and night owls with its fantastic weather and abundance of night life. I was a night owl when I was younger, but these days I’d rather go to bed early.
See the Oxford Advanced American Dictionary entry: night owl