A night owl perched in a tree.
night owl definition by Webster's New World
Webster\'s New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- an owl active chiefly at night
- ☆ a person who works at night or otherwise stays up late
night owl definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A person who habitually stays up and is active late into the night.
night owl definition by Wiktionary
(plural night owls)
- (idiomatic) One who stays up late at night or goes to bed late.
- He's a night owl. He would rather stay up until 6am than wake up at that time.