Adjective

(en adjective)

(originally) Rearing on both hind legs with the forelegs extended.

* The Vienna riding school displays splendid rampant movement.

(heraldry) Rearing on its hind leg(s), with a foreleg raised and in profile.

* Thomas Hardy, The Well-Beloved

little pieces of moustache on his upper lip, like a pair of minnows rampant

(architecture) Tilted, said of an arch with one side higher than the other, or a vault whose two abutments are located on an inclined plane.

Unrestrained or unchecked, usually in a negative manner.

* Weeds are rampant in any neglected garden.

* {{quote-magazine, date=2012-03

, author=William E. Carter, Merri Sue Carter , title=The British Longitude Act Reconsidered , volume=100, issue=2, page=87 , magazine= citation , passage=Conditions were horrendous aboard most British naval vessels at the time. Scurvy and other diseases ran rampant , killing more seamen each year than all other causes combined, including combat.}}

* 2013 , Phil McNulty, " Man City 4-1 Man Utd", BBC Sport , 22 September 2013:

In contrast to the despair of his opposite number, it was a day of delight for new City boss Manuel Pellegrini as he watched the rampant Blues make a powerful statement about their Premier League ambitions.

Rife, or occurring widely, frequently or menacingly.

* There was rampant corruption in the city.

Adjective

(en adjective)

Showing strong feelings; passionate; forceful or intense.

* 2007 , Scott Smith, The Ruins , page 236

Amy shook her head, vehement . "The vine didn't kill them. The Mayans did. They tried to flee and the Mayans shot them. The vine just claimed their bodies once they'd been shot. There's no thought involved in that.