rampant

adjective

ram·​pant ˈram-pənt 

also -ˌpant

1

a

: rearing upon the hind legs with forelegs extended

b

: standing on one hind foot with one foreleg raised above the other and the head in profile

—used of a heraldic animal

2

a

: marked by a menacing wildness, extravagance, or absence of restraint

rampant rumors

b

: profusely widespread

rampant weeds

rampantly adverb

Illustration of rampant

• a lion rampant

Synonyms of rampant

• runaway
• uncontrolled
• raw

Examples of rampant in a Sentence

a weed that's rampant in this area

the mayor promised to put a stop to the rampant crime that plagued the city

Recent Examples on the Web

To do so, the Republican Party has bet strongly this year on a strategy of convincing people that voter fraud is rampant. — Christopher Miller, The Conversation, 15 Oct. 2026

Yet, we’re told by this administration that non-citizen voting is rampant and must be eradicated. — Voice Of The People, New York Daily News, 14 Oct. 2026

Co-existence with extraterrestrials has seen humans revert to old habits of prejudice and apartheid; crime and corruption are rampant as ever; pop-up ads now irksomely manifest as holograms in your personal space. — Guy Lodge, Variety, 10 Oct. 2026

Washington’s sanctions and naval blockade have caused rampant inflation. — Narges Bajoghli, Foreign Affairs, 9 Oct. 2026

Word History

Etymology

Middle English rampaunt, rampand, borrowed from Anglo-French rampant "crawling, rampant (in heraldry)," from present participle of ramper "to climb, rear up on the hind legs, creep" — more at ramp entry 4

First Known Use

14th century, in the meaning defined at sense 1a

Phrases Containing rampant

• run rampant

Kids Definition

rampant

adjective

ram·​pant ˈram-pənt 

also -ˌpant

1

: standing on the hind legs like a horse rearing

2

: not checked in growth or spread

rumor ran rampant

rampantly adverb