per·forma·tiveBrE/pəˈfɔːmətɪv/NAmE/pərˈfɔːrmətɪv/adjective (grammar语法) whensbusesaperformativewordorexpression, forexample'Ipromise'or'Iapologize', theyarealsodoingsth (promisingorapologizing)表述行为的(如说 I promise 或 I apologize,同时表示许诺或道歉)➡ see alsoconstative