Definition of "Swamp" :

noun: low land that is seasonally flooded; has more woody plants than a marsh and better drainage than a bog

noun: a situation fraught with difficulties and imponderables

"He was trapped in a medical swamp."

verb: fill quickly beyond capacity; as with a liquid

verb: drench or submerge or be drenched or submerged

"The tsunami swamped every boat in the harbor."