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."