1. （疾病）地方性的，流行的
If a disease or illness is endemic in a place, it is frequently found among the people who live there.

2. (情况、问题)常见的,流行的
If you say that a condition or problem is endemic, you mean that it is very common and strong, and cannot be dealt with easily.

1. a plant that is native to a certain limited area

e.g. it is an endemic found only this island

2. a disease that is constantly present to a greater or lesser degree in people of a certain class or in people living in a particular location

Synonym: endemic disease