n. Any overflowing of water; an inundation; a flood; specifically, the great flood or overflowing of the earth (called the universal deluge) which, according to the account in Genesis, occurred in the days of Noah, or any of the similar floods found in the traditions of most ancient peoples, accompanied by a nearly total destruction of life. See flood.n. Anything analogous to an inundation; anything that overwhelms or floods.To pour over in a deluge; overwhelm with a flood; overflow; inundate; drown.To overrun like a flood; pour over in overwhelming numbers: as, the northern nations deluged the Roman empire with their armies.To overwhelm; cause to sink under the weight of a general or spreading calamity.To suffer a deluge; be deluged.