[yooth-fuh
l] 
| 1. | characterized by youth; young. |
| 2. | of, pertaining to, or befitting youth: youthful enthusiasm. |
| 3. | having the appearance, freshness, vigor, etc., of youth: She is 60 but her optimism has kept her youthful. |
| 4. | in an early period of existence; early in time. |
| 5. | Physical Geography. (of topographical features) having undergone erosion to a slight extent only. |
| youth·ful (yōōth'fəl) adj.
|