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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Ever since Daniel Craig retired from the role in 2021 after appearing in five of the franchise’s films, speculation has run rampant about who will star as the unstoppable British agent. — Eric Andersson, People.com, 13 Mar. 2025 Fraudsters run rampant in the e-commerce, payments and cypto space, for example, when there is more opportunity to do so. — Sanjeev Menon, Forbes, 27 Feb. 2025 Outrage over multiple questionable officiating decisions in Kansas City's postseason wins against the Texans and Bills have run rampant in recent weeks, even resulting in one fan starting a petition calling for a boycott until there is referee reform. — Jackson Thompson, Fox News, 5 Feb. 2025 That said, conspiracy theories had run rampant online, including by lawmakers. — Daniel R. Depetris, Newsweek, 1 Feb. 2025 See All Example Sentences for run rampant

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“Run rampant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/run%20rampant. Accessed 22 Mar. 2025.

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