die out

1.
Worldwideneutralformal
- To cease to exist; to become extinct or no longer present, often gradually, as a species, lineage, or population.
- To stop occurring or being practiced; to disappear from use or custom over time.
2.
Worldwideneutralmedical
- Of an infection, disease, or transmitted condition: to stop spreading and disappear when transmission is interrupted.
3.
Worldwideinformalcolloquial
- To fade away or decline in intensity until it is no longer noticeable, as with feelings, interest, or attention.

Examples: