definition of
rampant

[1] #1 rampant s. unrestrained and violent; "rampant aggression". wn

[2] #2 rampant s. [rearing] rearing on left hind leg with forelegs elevated and head usually in profile; "a lion rampant". wn

[3] #3 rampant s. (of a plant) having a lush and unchecked growth; "a rampant growth of weeds". wn