A passing or an expiration, as of time.
A sudden copious outflow:
A release or display of strong feeling
Spate is a British term for a heavy rainstorm that results in flash floods.
Find another word for outpour. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for outpour, like: efflux, gush, outflow, outpouring, spate and move.