swamp n
1 bog, everglade(s) (U.S.) fen, marsh, mire, morass, moss (Scot. & Northern English dialect) quagmire, slough vb
2 capsize, drench, engulf, flood, inundate, overwhelm, sink, submerge, swallow up, upset, wash over, waterlog
3 beset, besiege, deluge, flood, inundate, overload, overwhelm, snow under