American English

Definition of impasse noun from the Oxford Advanced American Dictionary

 

impasse

 noun
noun
NAmE//ˈɪmpæs//
 
[usually singular]
 
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a difficult situation in which no progress can be made because the people involved cannot agree what to do synonym deadlock to break/end the impasse Negotiations have reached an impasse.
See the Oxford Advanced Learner's Dictionary entry: impasse