English

Definition of nail-biter noun from the Oxford Advanced Learner's Dictionary

 

nail-biter

 noun
noun
BrE BrE//ˈneɪl baɪtə(r)//
 
; NAmE NAmE//ˈneɪl baɪtər//
 
 
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a situation that makes you feel excited or anxious because you do not know what is going to happen The final game of the competition was a real nail-biter.
See the Oxford Advanced American Dictionary entry: nail-biter