Synonyms for flood
A great flow of water
deluge, surge, tide, high tide, freshet, overflow, torrent, flash flood, inundation, alluvion, wave, bore, flood tide, eagre, tidal flood, tidal flow.
An overwhelming quantity
outpouring, spate, abundance, superabundance; see sense 1, plenty.
inundate, swamp, overflow, deluge, submerge, drown, engulf, immerse, brim over, rush upon, overwhelm.
See flood in Webster's New World Roget's A-Z Thesaurus II
An abundant, usually overwhelming flow or fall, as of a river or rain: alluvion, cataclysm, cataract, deluge, downpour, freshet, inundation, Niagara, overflow, torrent. (Chiefly British) spate. See big
Something suggestive of running water: current, drift, flow, flux, rush, spate, stream, surge, tide. See move
To flow over completely: deluge, drown, engulf, flush, inundate, overflow, overwhelm, submerge, whelm. See full
To affect as if by an outpouring of water: deluge, inundate, overwhelm, swamp, whelm. See full
To come or go in large numbers: pour, swarm, throng, troop. See big, move
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