Onslaught

Noun

 * 1) A fierce attack.
 * 2) A large quantity of people or things resembling an attack.
 * They opened the doors and prepared for the onslaught of holiday shoppers.

Adjectives for Onslaught
ubiquitous; furious; unscrupulous; merciless; ludicrous; savage; direct; hasty; rapid; murderous.

Verbs for Onslaught
anticipate—; check—; curb—; dread—; escape—; fear—; flee from—; fortify against —; prompt—; stem—; subdue—; succumb to—; surrender to—; weather—; witness—; —destroys; —horrifies; —overpowers; — terrorizes.

Thesaurus
abuse, aggravated assault, aggression, amphibious attack, appulse, armed assault, assailing, assailment, assault, attack, banzai attack, battering, berating, bitter words, blackening, blitz, blitzkrieg, breakthrough, brunt, bulldozing, bulling, bump, butchery, cannon, carambole, carom, charge, clash, collision, concussion, contumely, counterattack, counteroffensive, coup de main, crack-up, crash, crippling attack, crump, crunch, dead set at, descent on, diatribe, disorderliness, diversion, diversionary attack, drive, encounter, execration, flank attack, forcible seizure, frontal attack, gas attack, hammering, hard words, head-on attack, impact, impingement, infiltration, invective, jawing, jeremiad, killing, laying waste, lightning attack, lightning war, looting, mass attack, massacre, mauling, meeting, megadeath, mugging, obstreperousness, offense, offensive, onset, overkill, panzer warfare, percussion, philippic, pillaging, push, ramming, rape, rating, revilement, riot, rioting, run against, run at, rush, sacking, sally, screed, shock, shock tactics, sideswipe, slaughter, sledgehammering, smash, smash-up, smashing, sortie, sowing with salt, strike, thrusting, tirade, tongue-lashing, unprovoked assault, unruliness, vilification, violation, vituperation, whomp

Etymology
From anslaight: (compare aanslag: and  Anschlag:), influenced by slaught:

Translations

 * Hungarian:


 * French: assaut


 * Hungarian: ,


 * Spanish: asalto