[buhm-pee] 
| 1. | of uneven surface; full of bumps: a bumpy road. |
| 2. | full of jolts: a bumpy ride. |
| 3. | causing jolts: Bumpy air shook the airplane. |
| 4. | having many difficulties or failures; full of ups and downs: He had a rather bumpy career before he settled down in his present job. |
pi