extinct
US /ɪkˈstɪŋkt/
UK /ɪkˈstɪŋkt/

1.
2.
extinto, inactivo
a volcano that is no longer active and is unlikely to erupt again
:
•
Mount Kilimanjaro is an extinct volcano.
El Monte Kilimanjaro es un volcán extinto.
•
Scientists confirmed the volcano is extinct and poses no threat.
Los científicos confirmaron que el volcán está extinto y no representa ninguna amenaza.