1. existing or spreading in an uncontrolled way
2. standing on the hind legs with forelegs raised
Usage: heraldry

Examples

• Crime was rampant in the city during the 1980s.
• Corruption became rampant throughout the government.
• The disease spread rampant through the population.
• Inflation was rampant during the economic crisis.
• The coat of arms showed a lion rampant on a blue field.
• Weeds grew rampant in the abandoned garden.