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
New research has shown that without these underappreciated scavengers, diseases would run rampant throughout the natural world.
—
Jack Knudson, Discover Magazine, 9 May 2025
Rumors about the health of King Charles have run rampant over the last few weeks.
—Lissete Lanuza Sáenz, StyleCaster, 16 May 2025
Ever since Triston Casas went down with a season-ending knee injury, speculation has run rampant that Rafael Devers could fill the void at first base.
—Mac Cerullo, Boston Herald, 11 May 2025
The rumor that Michele secretly can't read, which dates back to 2017, has run rampant on the internet.
—Melina Khan, USA Today, 8 May 2025
See All Example Sentences for run rampant
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Jack Knudson, Discover Magazine, 9 May 2025
Rumors about the health of King Charles have run rampant over the last few weeks.
—Lissete Lanuza Sáenz, StyleCaster, 16 May 2025
Ever since Triston Casas went down with a season-ending knee injury, speculation has run rampant that Rafael Devers could fill the void at first base.
—Mac Cerullo, Boston Herald, 11 May 2025
The rumor that Michele secretly can't read, which dates back to 2017, has run rampant on the internet.
—Melina Khan, USA Today, 8 May 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 3 Jul. 2025.
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