late 14c., lousi, "infested with lice," from louse + -y (2). Figurative use as a generic term of abuse dates from late 14c.; sense of "swarming with" (money, etc.) is Amer.Eng. slang from 1843.
mod. rotten; poor; bad. : This mushy stuff is lousy. Do I have to eat it?
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Example sentences
Economists should have been more worried about the housing bubble and a lousy allocation of capital from the savings glut.
Yet such things do not stop ethanol from being a lousy fuel.
That's a lousy position to be in after spending years and years in pursuit of a degree and a job.
It's no secret that this is a lousy time to try to sell your business.
There was a time when even the best computer graphics available were lousy.
There are instances both ways, good and bad, of lousy teaching.
First, to discredit string theory and now, to support lousy research.
If there's one irrefutable definition of a star, it's that he gets people to pay money for lousy movies.
The pay, conditions, job satisfaction and social status are all lousy.
Nevertheless, several executives have made a mint even though their firms' track records have been lousy.