(of a type of plant, animal, etc. 某种植物、动物等 no longer in existence 不再存在的；已灭绝的；绝种的 an extinct species 已灭绝的物种 to become extinct 绝种 The red squirrel is in danger of becoming extinct in England. 红松鼠在英国有灭绝的危险。 the fossilised remains of extinct animals 灭绝动物的化石残骸 The numbers of these animals have been falling steadily and they are now almost extinct. 这些动物数量持续下降，现在几近灭绝。 The species was presumed extinct. 这一物种据推定已绝种。
Oxford Collocations Dictionaryverbs- be
- become
- go
- …
- completely
- totally
- long
- …
(of a type of person, job or way of life 某种类型的人、工作或生活方式 no longer in existence in society 绝迹的；消亡了的；废除了的 (of a volcano 火山 no longer active 不再活跃的；死的 opposite active
Word Originlate Middle English (in the sense ‘no longer alight’): from Latin exstinct- ‘extinguished’, from the verb exstinguere, from ex- ‘out’ + stinguere ‘quench’.