- attack, onslaught, onset, onrush - (military) an offensive against an enemy (using weapons); "the attack began at dawn"
--1 is a kind of operation, military operation
--1 has parts: assault
--1 has particulars: - onrush - a forceful forward rush or flow; "from the bow she stared at the mesmerising onrush of the sea where it split and foamed"; "the explosion interrupted the wild onsrush of her thoughts"
--2 is a kind of rush, spate, surge, upsurge