eindexextinctive./ik-stingk-tiv/US // ɪkˈstɪŋk tɪv //UK // (ɪkˈstɪŋktɪv) //已灭绝的,绝种的,灭绝性的,灭绝的Definitionsadj.adjective · 形容词1.›tending or serving to extinguish.Level 2More words in e →