| Youthful 1. (a.) Not yet mature or aged; young. 2. (a.) Also used figuratively. 3. (a.) of or pertaining to the early part of life; suitable to early life; as, youthful days; youthful sports. 4. (a.) Fresh; vigorous, as in youth. Thesaurus Entries beardless, blooming, boyish, callow, florescent, flowering, flush, flushed, fresh, fresh as April, green, immature, infant, juvenal, juvenescent, juvenile, maiden, pink, puerile, rosy, rosy-cheeked, ruddy, unfledged, unripe, virgin, virginal, young, youngling, youthlike, youthy |