— youthfully , adv. — youthfulness , n.
/yoohth"feuhl/ , adj.
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 Geog. (of topographical features) having undergone erosion to a slight extent only.
[ 1555-65; YOUTH + -FUL ]
Syn. 1-3. See young .