nail-biter definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Informal a situation or activity, as a suspenseful drama or highly competitive game in sports, with an outcome so uncertain that it creates much tension or anxiety
nail-biter definition by American Heritage Dictionary
- One who bites one's fingernails as a nervous habit.
- A situation marked by tense nervousness or apprehension, especially an athletic contest whose outcome is uncertain near its finish.
- nail biting noun