1. (

• rampant

) unrestrained and violent; "rampant aggression" ;

2. (

• rampant ,
• rearing

) rearing on left hind leg with forelegs elevated and head usually in profile; "a lion rampant" ;

3. (

• rampant

) (of a plant) having a lush and unchecked growth; "a rampant growth of weeds" ;