DictionaryrampantUncontrolled growth
adjective

rampant

RAM-punt/ˈræmpənt/

Spreading or growing excessively without control.

We struggle to keep rampant weeds out of our garden.

Unchecked invasive vines spread over a modest garden fence and smother two cultivated shrubs, tangled growth overrunning the bounded garden patch.
Etymology

The original image was an animal rearing on its hind legs. The sense of unchecked growth probably developed through “fierce” behavior, though it may instead preserve the older climbing sense.

In context

Grand Central Atelier52:42
malaria was rampant ever since the collapse of the uh agricultural estates of the Roman Empire. Um once you were no longer getting rid of the swamps, of course, um malaria was in fact rampant in Italy
Michelangelo Lecture Series 1: The Apotheosis of The Holy Roman Empire

More examples

  • Rumors run rampant whenever the company announces layoffs.
  • Rampant corruption drains money from essential public services.
  • The investigation reveals rampant fraud in insurance claims.

Forms

rampant

rampantly adverb — In an excessive and uncontrolled way.

Similar words

unchecked
Emphasizes the absence of limits or efforts to intervene.
widespread
Describes broad occurrence without necessarily suggesting excess or lost control.