literary a body of water such as a river or the sea

Darest thou, Cassius, now leap in with me into this angry flood and swim to yonder point? — Shakespeare

an overwhelming quantity or volume

a flood of letters

floods of tears

= floodlight¹

to cover or inundate (land) with a flood

(+ out) to drive (somebody) out of a house, village, etc by flooding

to fill or supply (a market) to excess

Strawberries flooded the market and prices dropped

to supply (a carburettor or engine) with an excess of fuel

to fill or suffuse (a place) throughout with something such as sound or light

said of a river: to rise and overflow its banks

to pour forth in a flood

Suds flooded across the kitchen floor

to become filled with a flood

The basement floods whenever the river rises

said of light, sound, warmth, etc: to flow in an overwhelming mass or wave

Sunlight flooded into the room

to arrive in overwhelming quantities

Offers of help flooded in

said of a woman: to bleed excessively during menstruation