This is the 10427th most frequent Portuguese word.
extinto
"Extinto" means "extinct" or "no longer existing."
Here, 'extinto' refers to the volcanic activity being ceased permanently.
O vulcão está extinto há muitos anos.
The volcano has been extinct for many years.
In this context, 'extinta' describes a species that no longer exists.
A espécie foi declarada extinta na última década.
The species was declared extinct in the last decade.
The usage of 'extintos' here refers to cultural values and customs that are no longer present or observed in society.