run riot
Verb
Meaning
(idiomatic) To act in an uncontrolled, unbridled manner.
(idiomatic) To be uncontrollable.
Source: en.wiktionary.orgSynonyms
Antonyms
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The children were allowed to run riot with little supervision and you could be enjoying a peaceful time somewhere when suddenly all hell broke loose.
The festival is extremely post-modern in its approach sets out to give theatre performers complete freedom to let their imaginations run riot.
THE Miss World contest has been thrown into the spotlight again this week, after a former security guard revealed he had accepted a £5 bribe to let a group of feminists run riot in the 1970 pageant.
Or Liverpool to run riot?
Will Smith’s header from a corner moments later clipped the top of the bar as the visitors threatened to run riot.