Definitions

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

Etymologies

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Examples

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Comments

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  • 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