a. [f. BUMP sb.1 or v.1 + -Y1.] Full of bumps or protuberances; of a road, etc., jolty, uneven; causing bumps or jolts.
1865. E. Burritt, Walk to Land’s End, 239. A wall of brown, brambly, humpy, bumpy heatherland.
1884. C. Gurdon, in Lillywhite, Crick. Comp., 49. On a bumpy wicket a dangerous bowler.
