lousy

UK: /ˈlaʊzi/ US: /ˈlaʊzi/ ,(lou′zē)

Inflections of 'lousy' (adj):

lousier

adj comparative

lousiest

adj superlative

WordReference Random House Learner's Dictionary of American English © 2025

lous•y /ˈlaʊzi/   adj., -i•er, -i•est. 

1. infested with lice.
2. Informal Terms
   • mean; contemptible:
     That was a lousy thing to do.
   • wretchedly bad;
     miserable:
     lousy weather.

Idioms

3. Idioms, Slang Terms lousy with, [be + ~] [Slang.] well supplied with:
   is lousy with money.

lous•i•ly /ˈlaʊzəli/  adv. 
lous•i•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

lous•y  (lou′zē), adj., lous•i•er, lous•i•est. 

1. infested with lice.
2. Informal Terms
   • mean or contemptible:
     That was a lousy thing to do.
   • wretchedly bad;
     miserable:
     a lousy job; I feel lousy.
3. lousy with, [Slang.] well supplied with:
   lousy with money.

• Middle English lousi. See louse, -y¹ 1350–1400

lous′i•ly, adv. 
lous′i•ness, n. 
Synonyms

• 2. a. shabby, nasty, crummy.

Collins Concise English Dictionary © HarperCollins Publishers::

lousy / ˈlaʊzɪ/ adjective (lousier, lousiest)

1. very mean or unpleasant: a lousy thing to do
2. inferior or bad: this is a lousy film
3. infested with lice
4. (followed by with) provided with an excessive amount (of): he's lousy with money
5. full of or teeming with

ˈlousily adverb

ˈlousiness noun