- The definition of a ruckus is commotion or a noisy disturbance.
People yelling and getting into a fight in the middle of a movie is an example of a ruckus.
ruckus definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Informal noisy confusion; uproar; row; disturbance
Origin: probably a merging of ruction and amp; rumpus
ruckus definition by American Heritage Dictionary
A disturbance; a commotion: “Little was heard by us in the upper regions of the considerable ruckus (and surely the heartbreak) being endured some floors below” (Brendan Gill).
Origin: Perhaps blend of ruction and rumpus.