Lousy/ˈlaʊzi/ Definition 1 of 3Pro Tip 1/3Negative Emotion Expresses dissatisfaction, often used to emphasize personal feelings about bad experiences. I had a lousy time at the party. Pro Tip 2/3Slight Rudeness Can sound informal and slightly rude, so be cautious in polite or formal situations. He's doing a lousy job managing the team. Pro Tip 3/3Hyperbole Often used for exaggeration – things may not be as bad as the word 'lousy' suggests. You don't look lousy, just a bit tired.