† ˈbumped,ppl.a.Obs. [f. bump n.1and v.1 + -ed.] Covered with bumps; swelled out in bumps. 1611Cotgr., Bossé..knobbie, bulked, or bumped out.1662Bumped up [see bump v.1 6]1776tr.Da Costa's Conchol. 177 (Jod.) The two ends or extremes, on the upper part are very bumped and prominent.