rampant

[ram-puhnt] / ˈræm pənt /

ADJECTIVE

uncontrolled, out of hand

Synonyms

STRONGEST

excessive flagrant growing prevalent raging rife runaway spreading unbridled unchecked uncontrollable unhindered unrestrained wanton

WEAK

aggressive clamorous dominant epidemic exceeding bounds extravagant exuberant fanatical furious impetuous impulsive luxuriant out of control out of hand outrageous pandemic pervasive predominant profuse rampaging rank ungovernable widespread wild

Antonyms

STRONGEST

gentle mild moderate moral restrained

WEAK

checked controlled limited

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Surging equity and property prices, rampant margin speculation and a central bank that tightened while the economy still looked strong produced one of the most spectacular unwinds in modern markets.

From MarketWatch • Jun. 4, 2026

The move comes after reporting second-quarter earnings that blew past Wall Street expectations, citing rampant compute demand from customers transitioning to artificial-intelligence tools.

From The Wall Street Journal • Jun. 2, 2026

Big Tech’s rampant spending on artificial intelligence isn’t slowing down, and amid a cash squeeze, neither is the need for outside funding.

From Barron's • Jun. 2, 2026

A mouse plague is terrorising farmers across large swathes of Australia, with the rodents running rampant around homes and ravaging fields of grain.

From BBC • May 30, 2026

By now, extensive talks with them and with hundreds of geeks online had given me some insight into the alienation rampant in geek culture.

From "Geeks: How Two Lost Boys Rode the Internet Out of Idaho" by Jon Katz

Vocabulary lists containing rampant

The Diary of a Young Girl

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Beowulf

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This Week in Words: September 4 - 8, 2017

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