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
Even with Achane a little bit banged up, the Dolphins could still run rampant on this defense.
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Miami Herald, 14 Dec. 2025
In a time where AI country singers are making the charts and vocal deepfakes run rampant, the Ensuring Likeness Voice and Image Security Act enacts protections for artists against unauthorized uses of their voice and likeness in deepfakes and digital replicas.
—Audrey Gibbs, Nashville Tennessean, 12 Dec. 2025
In the years since, federal courts have denied attempts by the Commodity Futures Trading Commission to restrict election betting, allowing Kalshi and its competitors to run rampant—at least while more lawsuits make their way through the courts.
—Danny Funt, New Yorker, 12 Dec. 2025
There was not enough food, and disease began to run rampant as well.
—Big Think, 28 Nov. 2025
See All Example Sentences for run rampant
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Miami Herald, 14 Dec. 2025
In a time where AI country singers are making the charts and vocal deepfakes run rampant, the Ensuring Likeness Voice and Image Security Act enacts protections for artists against unauthorized uses of their voice and likeness in deepfakes and digital replicas.
—Audrey Gibbs, Nashville Tennessean, 12 Dec. 2025
In the years since, federal courts have denied attempts by the Commodity Futures Trading Commission to restrict election betting, allowing Kalshi and its competitors to run rampant—at least while more lawsuits make their way through the courts.
—Danny Funt, New Yorker, 12 Dec. 2025
There was not enough food, and disease began to run rampant as well.
—Big Think, 28 Nov. 2025
See All Example Sentences for run rampant
Cite this Entry
“Run rampant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/run%20rampant. Accessed 19 Dec. 2025.
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