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adj. lous·i·er, lous·i·est
1. Inferior or worthless: a lousy play.
2. Extremely contemptible; nasty: a lousy trick.
3. Sick or unwell: I feel really lousy.
4. Infested with lice.
5. Slang Abundantly supplied: lousy with money.

lous′i·ly adv.
lous′i·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Lose the first of your four World Cup preps -- and lose it lousily, as happened last weekend -- and next time out you really need not only a purring performance but a positive result.
And with the gentlest touch only grandma or grandpa can give, they spare a minute or two for incoming pupils whose skewed collars or lousily worn uniforms need some fixing, telling them to 'study hard' before letting them go.
Whatever you thought of where the club had been and where it was heading, there was at least a rough outline of a plan there from Mike Ashley - even if it was lousily communicated and executed.