rampantly,adv.|ˈræmpəntlɪ| [f.prec. + -ly2.] In a rampant manner. 1426Lydg.De Guil. Pilgr. 12760 Rampawntly she gan to go Vn-to me-ward, off cruelte.1697Collier Immor. Stage vi. (1730) 183 Their Songs are often rampantly lewd.1897Atlantic Monthly Oct. 546 A town so rampantly democratic.