a great flood of water; inundation; flood.

a drenching rain; downpour.

anything that overwhelms like a flood

a deluge of mail.

the Deluge. flood ( def. 3 ) .

to flood; inundate.

to overrun; overwhelm

She was deluged with congratulatory letters.

noun

avalanche , barrage , cataclysm , cataract , drencher , flux , inundation , niagara , overflowing , overrunning , pour , rush , spate , torrent , alluvion , downpour , freshet , overflow

verb

douse , drench , drown , engulf , flood , flush , gush , overflow , overrun , overwhelm , pour , sluice , soak , sop , souse , stream , submerge , swamp , wet , whelm , abound , crowd , glut , inundate , overcome , overcrowd , overload , oversupply , snow * , snow under , teem , cataclysm , downpour , niagara , overpower , torrent