Definition of louse


  • wingless usually flattened bloodsucking insect parasitic on warm-blooded animals. Synonyms: sucking louse.
  • a person who has a nasty or unethical character undeserving of respect. Synonyms: dirt ball, insect, worm.
  • any of several small insects especially aphids that feed by sucking the juices from plants. Synonyms: plant louse.
  • wingless insect with mouth parts adapted for biting; mostly parasitic on birds. Synonyms: bird louse, biting louse.

Related words

adelgid, aphid, cootie, crab, psylla, psyllid.

Words nearby louse

blouse, bouse, douse, house, loose, lose, loupe, lousy, mouse, ouse, rouse, souse.

Rhymes with louse

blouse, boathouse, bouse, crouse, douse, dowse, espouse, gauss, grouse, house, laos, mouse, rouse, spouse, strauss.

Start with louse

louseworts, lousewort, louses, loused.

End with louse

blouse, overblouse, booklouse, delouse.

More information about louse

louse unscrambled

Scrabble and Words With Friends points

  • louse is a valid Scrabble US word, worth 5 points
  • louse is a valid Scrabble UK word, worth 5 points
  • louse is a valid Words With Friends word, worth 7 points
SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words with Friends is a trademark of Zynga. This site is for entertainment purposes only and is not sponsored by or affiliated with Hasbro, Mattel Inc. or Zynga in any way.