a noisy, violent public disorder caused by a group or crowd of persons, as by a crowd protesting against another group, a government policy, etc., in the streets.
a disturbance of the public peace by three or more persons acting together in a disrupting and tumultuous manner in carrying out their private purposes.
violent or wild disorder or confusion.
a brilliant display: a riot of color.
something or someone hilariously funny: You were a riot at the party.
unrestrained revelry.
an unbridled outbreak, as of emotions, passions, etc.
loose, wanton living; profligacy.
The neighbors let their children run riot.
to act without control or restraint:The neighbors let their children run riot.
to grow luxuriantly or abundantly:Crab grass is running riot in our lawn.
—v.i.
to take part in a riot or disorderly public outbreak.
to live in a loose or wanton manner; indulge in unrestrained revelry: Many of the Roman emperors rioted notoriously.
(of a hound or pack) to pursue an animal other than the intended quarry.
to indulge unrestrainedly; run riot.
—v.t.
to spend (money, time, etc.) in riotous living (usually fol. by away or out).