[ rahy-uh-tuh s ]
/ ˈraɪ ə təs /


(of an act) characterized by or of the nature of rioting or a disturbance of the peace.
(of a person) inciting or taking part in a riot.
given to or marked by unrestrained revelry; loose; wanton: riotous living.
boisterous or uproarious: riotous laughter.
hilariously funny.

Origin of riotous

Middle English word dating back to 1300–50; see origin at riot, -ous
Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for riotous

British Dictionary definitions for riotous


/ (ˈraɪətəs) /


proceeding from or of the nature of riots or rioting
inciting to riot
characterized by wanton or lascivious revelryriotous living
characterized by boisterous or unrestrained merrimentriotous laughter
Derived Formsriotously, adverbriotousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for riotous



mid-14c., "troublesome, wanton, extravagant," from Old French riotos "argumentative, quarrelsome," from riote (see riot (n.)). Meaning "tumultuous, turbulent" is mid-15c. Related: Riotously; riotousness.

Online Etymology Dictionary, © 2010 Douglas Harper