Onslaught
WordNet
noun
(1) (military) an offensive against an enemy (using weapons)
"The attack began at dawn"
(2) The rapid and continuous delivery of linguistic communication (spoken or written)
"A barrage of questions"
"A bombardment of mail complaining about his mistake"
(3) A sudden and severe onset of trouble
WiktionaryText
Noun
- A fierce attack.
- A large quantity of people or things resembling an attack.
- They opened the doors and prepared for the onslaught of holiday shoppers.