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
By allegedly allowing bots to run rampant, Spotify can present high stream and user activity numbers to potential advertisers, the lawsuit alleges.
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Nancy Dillon, Rolling Stone, 3 Nov. 2025
The narratives have started to run rampant leading up to the conclusion of the MLB season, and especially with the Dodgers' league-leading payroll and murmurs of an MLB lockout in 2027, one that has begun gaining traction, is that the Dodgers are Goliath and the Blue Jays are David.
—Gabe Smallson, MSNBC Newsweek, 24 Oct. 2025
Now, real events will be dismissed as fake, and fake events will be believed as real; disinformation and misinformation campaigns could run rampant.
—Andrew R. Chow, Time, 20 Oct. 2025
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
See All Example Sentences for run rampant
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Nancy Dillon, Rolling Stone, 3 Nov. 2025
The narratives have started to run rampant leading up to the conclusion of the MLB season, and especially with the Dodgers' league-leading payroll and murmurs of an MLB lockout in 2027, one that has begun gaining traction, is that the Dodgers are Goliath and the Blue Jays are David.
—Gabe Smallson, MSNBC Newsweek, 24 Oct. 2025
Now, real events will be dismissed as fake, and fake events will be believed as real; disinformation and misinformation campaigns could run rampant.
—Andrew R. Chow, Time, 20 Oct. 2025
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
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 8 Nov. 2025.
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