n-doun]
| 1. | moving alternately up and down: the up-and-down swing of levers; an up-and-down tune. |
| 2. | having an uneven surface: up-and-down countryside. |
| 3. | changeable: up-and-down luck. |
| 4. | perpendicular or nearly so: a straight up-and-down hillside. |

| up-and-down (ŭp'ən-doun') adj.
|