1. very bad or of poor quality
Usage: informal
2. infested with lice
3. having a large amount of something undesirable
Usage: informal; followed by ‘with’

Examples

• The weather was lousy all weekend.
• That was a lousy movie – I want my money back.
• He’s a lousy driver who shouldn’t be on the road.
• The old mattress was lousy with bedbugs.
• The place is lousy with tourists in the summer.
• She felt lousy about missing her friend’s birthday.
• This lousy computer keeps crashing.