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1. A great amount of courage, resolve, or integrity. It must have taken some nerve to stand up to your boss like that. I'll warn you know—you've got to have some nerve to take on such a powerful lobbying firm.
2. Rude, impertinent, or brazen audacity. You've got some nerve walking in here after the way you spoke to me last time. I've given him chance after chance, but he keeps on betraying my trust. That's some nerve.
See also: nerve
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.