extinct
adjective uk/ɪkˈstɪŋkt/ us/ɪkˈstɪŋkt/
C1 灭绝的；绝种的；消失的
not now existing
There is concern that the giant panda will soon become extinct. 有人担心大熊猫不久就会灭绝。
Many tribes became extinct when they came into contact with Western illnesses. 很多部落由于感染西方人的疾病而遭灭顶之灾。
A lot of trades have become extinct because of the development of technology. 由于技术的发展很多行业都消失了。
Opposites: extant living (CONTINUING)surviving
（火山）死的，不活跃的
An extinct volcano is one that is not now active (= will not explode again).
Compare: active adjective (VOLCANO)dormant