swamp in WordNet English dictionary

1. fill quickly beyond capacity; as with a liquid
   "the basement was inundated after the storm"; "The images flooded his mind"
   deluge  flood  inundate  swamp 
   
2. drench or submerge or be drenched or submerged
   "The tsunami swamped every boat in the harbor"
   swamp  drench 
   

1. low land that is seasonally flooded; has more woody plants than a marsh and better drainage than a bog
   swamp  swampland 
   
2. a situation fraught with difficulties and imponderables
   "he was trapped in a medical swamp"
   swamp