youthfully
- r in a youthful manner
he is still youthfully enthusiastic
- His blue eyes twinkle youthfully behind his thick glasses; his snowy little beard, jollity and industriousness make him seem something like Santa Claus.
- He youthfully spent too much money in his first year at William and Mary (playing cards and sowing his wild oats) and youthfully resolved to do better the next year.
- Stein's half-dozen "witches in modern dress" were all youthfully slender, lively of expression, some of them bucktoothed and "prancing" of gait.