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nail-biter

or nail bit·er

[ neyl-bahy-ter ]
/ ˈneɪlˌbaɪ tər /
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See synonyms for: nail-biter / nail-biting on Thesaurus.com

noun

a person who bites his or her nails, especially habitually.
a situation marked by anxiety or tension.

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Origin of nail-biter

1970–75
nail-biting, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for nail-biter

nailbiter
/ (ˈneɪlˌbaɪtə) /

noun

a person who bites his or her nails
a person who is anxious or tense
something that causes anxiety or tension
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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