GRE cascade Definition A small waterfall or a sudden, rapid flow of something. Example "Water tumbled down the rocks in a sparkling cascade." Sign in to save GRE Quiz → ← carving cash → Study tips featuring "cascade" Write GRE Words Into Your Own Sentences Related words GRE swill GRE taper GRE testy GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct