midnight Hear it!

midnight definition

mid·night (-nīt′)

noun

  1. twelve o'clock at night; the middle of the night
  2. deep darkness

adjective

  1. of or at midnight
  2. like or suggestive of midnight; very dark midnight blue
midnight Idioms

burn the midnight oil

to study or work very late at night

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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