Main Entry: on·slaught

Pronunciation: \ˈän-ˌslȯt, ˈȯn-\

Function: noun

Etymology: modification of Dutch aanslag act of striking; akin to Old English an on and to Old English slēan to strike — more at slay

Date: circa 1625

: an especially fierce attack; also : something resembling such an attack <an onslaught of technological changes>