Definition

1. Adjective:
   • Growing or spreading excessively and in an uncontrolled manner: Used primarily to describe plants, especially weeds or vegetation, that grow thickly and without restraint.
   • In heraldry, standing on the left hind leg with the forelegs raised: Describing the posture of a creature, typically a lion, as depicted on a coat of arms.
   • Unrestrained, unchecked, or widespread to an alarming degree: Used to describe something undesirable, such as a problem, emotion, or behavior, that is flourishing without control.

Usage Examples

• Describing uncontrolled growth:
  • The garden was full of rampant weeds after the rainy season.
  • Without maintenance, ivy can become rampant and cover the entire wall.
• In heraldry:
  • The family crest featured a lion rampant.
• Describing something widespread and unchecked:
  • Corruption was rampant in the city.
  • During the crisis, fear and speculation became rampant.

Advanced Usage

• "run rampant": To spread or grow in an uncontrolled and often destructive way.
  • Rumors about the merger ran rampant through the office.
  • The virus ran rampant through the population before a vaccine was developed.

Variants and Related Words

• Rampantly (adverb): In an unrestrained, unchecked, or widespread manner.
  • The disease spread rampantly.
• Rampancy (noun, less common): The state or quality of being rampant.
  • The rampancy of the invasive species threatened the local ecosystem.

Synonyms

• Uncontrolled: Not controlled or restrained.
• Unchecked: Not stopped, regulated, or restrained.
• Widespread: Found or distributed over a large area or number of people.
• Rife: (Especially of something undesirable) of common occurrence; widespread.
• Luxuriant: (Of vegetation) rich and profuse in growth; lush.

Antonyms

• Controlled: Restrained or managed.
• Checked: Stopped or restrained.
• Restrained: Kept under control.
• Sparse: Thinly dispersed or scattered.

Related Phrases and Idioms

• "Rampant inflation": Extremely high and accelerating inflation that is difficult to control.
  • The country's economy was crippled by rampant inflation.
• "Rampant speculation": Widespread and often irresponsible guessing or theorizing, especially in financial contexts.
  • Rampant speculation in the housing market led to a bubble.

Adjective

1. (of a plant) having a lush and unchecked growth
   • a rampant growth of weeds
2. rearing on left hind leg with forelegs elevated and head usually in profile
   • a lion rampant
3. unrestrained and violent
   • rampant aggression