ex·tinct 
/ɪkˈstɪŋkt/ adjective
/ɪkˈstɪŋkt/ adjective 1 : no longer existing
▪ an extinct (species of) animal ▪ Many of these old traditions have since become extinct. 2 : no longer active
▪ an extinct volcano
▪ an extinct (species of) animal ▪ Many of these old traditions have since become extinct.
▪ an extinct volcano
