run rampant

idiom

: to be very common or to spread very quickly and in a way that is difficult to control
Rumors of her engagement ran rampant.

Examples of run rampant in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In the sparsely populated mineral and coal mining towns that dot the area around Rock Springs, Symington says disinformation and political rage run rampant. NPR, 15 Oct. 2025 When different storylines run rampant, misalignment spreads quickly across the business. Guy Murrel, Forbes.com, 18 Sep. 2025 Unfortunately, misinformation has also run rampant in the digital age. Alexis Kayser, MSNBC Newsweek, 11 Sep. 2025 The language of war has run rampant among far-right influencers since Kirk’s shooting. Chad De Guzman, Time, 11 Sep. 2025 See All Example Sentences for run rampant

Browse Nearby Words

Cite this Entry

“Run rampant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/run%20rampant. Accessed 18 Oct. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!