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Meaning of nail-biting

nail-bit•ing

Pronunciation: (nāl'bī"ting), [key]
— n.
  1. the act or practice of biting one's fingernails, esp. as the result of anxiety or nervousness.
  2. nervousness: The announcement that the trade agreement had been signed ended a week of nail-biting on Wall Street.
—adj.
  1. causing nervousness: The nail-biting part of the canoe trip was through the stretches of white water.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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