verb (used without object)

verb (used with object)

to spend (money, time, etc.) in riotous living (usually followed by away or out).


    run riot,
    1. to act without control or restraint: The neighbors let their children run riot.
    2. to grow luxuriantly or abundantly: Crab grass is running riot in our lawn.

Origin of riot

1175–1225; (noun) Middle English: debauchery, revel, violent disturbance < Old French riot(e) debate, dispute, quarrel, derivative of rihoter, riot(t)er to quarrel; (v.) Middle English rioten < Old French rihoter, riot(t)er
Related formsri·ot·er, nounan·ti·ri·ot, adjective, nouncoun·ter·ri·ot·er, nounnon·ri·ot·er, nounnon·ri·ot·ing, adjectiveun·ri·ot·ing, adjective

Synonyms for riot Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rioting

Contemporary Examples of rioting

Historical Examples of rioting

  • The zinc-worker decided, just for the fun of it, to go into the city and watch the rioting.


    Emile Zola

  • Touching their drunkenness and the trifle of rioting, what soldiers have not these faults?


    Raphael Sabatini

  • It gave us the necessary information about the way in which rioting was to be stopped.

    The Red Hand of Ulster

    George A. Birmingham

  • The roughs at the Beaver had tried the game of rioting with the wrong men.

  • Before dark the rioting was general, and barricades were going up.


    Charles Godfrey Leland

British Dictionary definitions for rioting



  1. a disturbance made by an unruly mob or (in law) three or more persons; tumult or uproar
  2. (as modifier)a riot gun; riot police; a riot shield
boisterous activity; unrestrained revelry
an occasion of boisterous merriment
slang a person who occasions boisterous merriment
a dazzling or arresting displaya riot of colour
hunting the indiscriminate following of any scent by hounds
archaic wanton lasciviousness
run riot
  1. to behave wildly and without restraint
  2. (of plants) to grow rankly or profusely


(intr) to take part in a riot
(intr) to indulge in unrestrained revelry or merriment
(tr foll by away) to spend (time or money) in wanton or loose livinghe has rioted away his life
Derived Formsrioter, nounrioting, noun

Word Origin for riot

C13: from Old French riote dispute, from ruihoter to quarrel, probably from ruir to make a commotion, from Latin rugīre to roar
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 rioting

1590s, "dissoluteness," verbal noun from riot (v.). Earlier was riotry (early 14c.). Meaning "continuous public disturbance" is from 1832.



c.1200, "debauchery, extravagance, wanton living," from Old French riote (12c.) "dispute, quarrel, (tedious) talk, chattering, argument, domestic strife," also a euphemism for "sexual intercourse," of uncertain origin. Cf. Medieval Latin riota "quarrel, dispute, uproar, riot." Perhaps from Latin rugire "to roar." Meaning "public disturbance" is first recorded late 14c. Meaning "something spectacularly successful" first recorded 1909 in theater slang.

Run riot is first recorded 1520s, a metaphoric extension from Middle English meaning in reference to hounds following the wrong scent. The Riot Act, part of which must be read to a mob before active measures can be taken, was passed 1714 (1 Geo. I, st.2, c.5). Riot girl and alternative form riot grrl first recorded 1992.



late 14c., "behave in a dissolute manner, engage in loose revelry," from Old French rioter "chatter, dispute, quarrel," from riote (see riot (n.)). Meaning "take part in a public disturbance" is from 1755. Related: Rioted; rioting.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with rioting


see read the riot act; run amok (riot).

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.