Tense, nervous, irritable, as in We were all on edge as we waited for the surgeon's report. This expression transfers the edge of a cutting instrument to one's feelings. [Late 1800s] Also see on the edge; set one's teeth on edge.
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A bet is synonymous with a wager, but what does it mean in New York?
Words nearby on edge
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.