THESAURUS
pouring
affluent, blinding, cat-and-doggish, confluent, coursing, decurrent, defluent, diffluent, drippy, driving, drizzling, drizzly, drumming, flowing, fluent, fluxional, fluxive, gulfy, gushing, mazy, meandering, misty, misty-moisty, mizzly, pelting, pluvial, pluviose, pluvious, profluent, racing, rainy, running, rushing, serpentine, showery, sluggish, streaming, surging, surgy, tidal, vortical