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From Middle English lousy, lowsy, lousi, equivalent to louse +‎ -y.



lousy (comparative lousier, superlative lousiest)

  1. Remarkably bad; of poor quality.
    No offense, but his cooking is lousy.
    Synonym: miserable
  2. Dirty or untidy.
    I cleaned the lousy garage.
  3. Underhanded; mean; contemptible.
    I've had enough of lousy backstabbing at this place.
  4. Infested with lice.
  5. (colloquial, usually with with) Filled or packed (with something, usually bad).
    The place was lousy with students.
    • 2016, Rick Riordan, The Hammer of Thor, page 6:
      [I talked to] Annabeth about the Greek gods who hung out in New York and made her life difficult. Apparently North America was lousy with ancient gods. We had a full-blown infestation.
    Synonyms: inundated, jam-packed, teeming

Usage notes[edit]

  • Considered an offensive insult prior to World War II, implying filthiness. Now considered a mild or rather dated term.

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