lose: vi. 1. [very common] To fail. A program loses when it
encounters an exceptional condition or fails to work in the expected
manner. 2. To be exceptionally unesthetic or crocky. 3. Of people,
to be obnoxious or unusually stupid (as opposed to ignorant). See
also deserves to lose. 4. n. Refers to something that is
losing, especially in the phrases "That's a lose!" and "What a
lose!"