'Rampantly' definitions:

Definition of 'rampantly'

(from WordNet)
adverb
In an uncontrolled and rampant manner; "weeds grew rampantly around here" [syn: rampantly, wild]

Definition of 'Rampantly'

From: GCIDE
  • Rampantly \Ramp"ant*ly\, adv. In a rampant manner. [1913 Webster]