melee
n.a confused, noisy fight or a crowded situation where people are moving around in a disorganized way.
n.a confused struggle or fight at close quarters involving many participants; a confused mass of people in close proximity.
“Several players were injured during the melee on the field.”
“The peaceful protest suddenly turned into a melee as the crowd surged forward and clashed with the security barriers.”
“In the chaotic melee that followed the sudden power outage, several shoppers were knocked over as the panicked crowd rushed toward the dimly lit emergency exits.”
Often used with the definite article 'the' to describe a specific chaotic event.
“These are some of the most dynamic melee encounters in the game’s roughly 12-hour run time: a balletic, show-stopping dance of light and movement.”
Borrowed from French mêlée, from Old French meslee, feminine past participle of mesler (“to mix”), derived from Latin misceō (“mix”). Doublet of medley.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.