Meaning of “swamp” - Learner’s Dictionary

swamp

verb [ T ] uk us /swɒmp/
TOO MUCH

to give someone more of something than they can deal with:

[ often passive ] The company was swamped with calls about its new service.
The market has been swamped by cheap imports.
WATER

If an area is swamped, it becomes covered with water:

Heavy rain has swamped many villages in the region.

(Definition of “swamp verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)