adjective, lous·i·er, lous·i·est.

infested with lice.
  1. mean or contemptible: That was a lousy thing to do.
  2. wretchedly bad; miserable: a lousy job; I feel lousy.


    lousy with, Slang. well supplied with or filled with, often to excess: Our city is lousy with bad drivers. I wish I were lousy with money like my boss.

Origin of lousy

First recorded in 1350–1400, lousy is from the Middle English word lousi. See louse, -y1
Related formslous·i·ly, adverblous·i·ness, noun

Synonyms for lousy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lousy

Contemporary Examples of lousy

Historical Examples of lousy

  • Was that lousy Bourguignon going to stop them from having a drink?


    Emile Zola

  • Let them learn thus the price of mutiny in their lousy ranks.

    The Sea-Hawk

    Raphael Sabatini

  • "Hah, now you're being suspicious," I said, lousy with virtue.

  • "It's a lousy thing to do," cried Donnelly as he snapped off the set.

    Rescue Squad

    Thomas J. O'Hara

  • A lousy little piece of tin and glass is going to solve all the crimes.


    Robert Sheckley

British Dictionary definitions for lousy


adjective lousier or lousiest

slang very mean or unpleasanta lousy thing to do
slang inferior or badthis is a lousy film
infested with lice
(foll by with) slang
  1. provided with an excessive amount (of)he's lousy with money
  2. full of or teeming with
Derived Formslousily, adverblousiness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for lousy

mid-14c., lousi, "infested with lice," from louse + -y (2). Figurative use as a generic adjective of abuse dates from late 14c.; sense of "swarming with" (money, etc.) is American English slang from 1843. Related: Lousiness.

Online Etymology Dictionary, © 2010 Douglas Harper