rampant

/ˈræmpənt/
adjective
  1. Spreading or growing quickly and in an uncontrolled way, especially something bad or harmful.
    • The disease ran rampant through the crowded refugee camp.
    • Rampant inflation has made basic goods unaffordable for many families.
    • Corruption was rampant in the local government.
  2. (of an animal, especially a lion) standing on its hind legs with front paws raised, as a heraldic symbol.
    • The family crest featured a lion rampant in gold.
    • The knight's shield bore a rampant griffin.
    • On the flag, a rampant stag was embroidered in silver thread.
What does "rampant" mean? | whatsthatwordmean | whatsthatwordmean