Help Wordnik hunt for a million missing words by backing our Kickstarter!


from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Informal A person who habitually stays up and is active late into the night.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One who stays up late at night or goes to bed late.

from the GNU version of the Collaborative International Dictionary of English

  • n. A person who likes to be active late at night.

from The Century Dictionary and Cyclopedia

  • n. An owl of notably or exclusively nocturnal habits. All owls are nocturnal, but some less so than others, and night-owl is used in contrast to day-owl.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a person who likes to be active late at night


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.

  • Yep, this phrase always bugged me a little too. :-) But there are diurnal owls, the Snowy Owl being one of the best known.

    September 16, 2008

  • What's the opposite of night owl, rt?

    September 16, 2008