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
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Here in his little 80-page grin-inducing edition published by Titan Books featuring those intimidating Klingons during their downtime, Spiotto lets his imagination run rampant in envisioning just what existence is like after the antagonism and combat plans are put away.
—
Jeff Spry, Space.com, 1 Sep. 2025
The Jazz can justify keeping him, as rumors again run rampant.
—Bobby Krivitsky, Forbes.com, 31 Aug. 2025
They’re designed for warmer weather where bugs run rampant during the hunting season.
—Christopher Murray
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 22 Aug. 2025
Tim Walz burned through an $18 billion budget surplus, raised taxes by $10 billion, and allowed massive fraud to run rampant in his own agencies.
—Mary Murphy, Twin Cities, 20 Aug. 2025
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Jeff Spry, Space.com, 1 Sep. 2025
The Jazz can justify keeping him, as rumors again run rampant.
—Bobby Krivitsky, Forbes.com, 31 Aug. 2025
They’re designed for warmer weather where bugs run rampant during the hunting season.
—Christopher Murray
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 22 Aug. 2025
Tim Walz burned through an $18 billion budget surplus, raised taxes by $10 billion, and allowed massive fraud to run rampant in his own agencies.
—Mary Murphy, Twin Cities, 20 Aug. 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 10 Sep. 2025.
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