But he has hitherto exerted his powers in a manner, and on subjects, rather calculated to gratify a youthful than a mature taste.
He had dyed his white hair in order to look calm and youthful.
Gives legs a firm youthful look and a wonderful feel.
His youthful voice provides a running commentary, of sorts, as he hauls his traps.
Rose's youthful innocence shines through even in newspaper photographs, as does her unswerving devotion to her husband.
In government laboratories and elsewhere, scientists are seeking a drug able to prolong life and youthful vigor.
Suggestions have been made that the complete replacement of all body parts with more youthful components could increase longevity.
Yet it's likely to amount to little more than an interesting exercise in what youthful effort and ingenuity can accomplish.
Older people that do are either unbearably dull or lying about their own youthful activities.
We have no knowledge of anything outside of our youthful speculations.
British Dictionary definitions for youthful
of, relating to, possessing, or characteristic of youth
fresh, vigorous, or active he's surprisingly youthful for his age
in an early stage of development a youthful culture
Also young. (of a river, valley, or land surface) in the early stage of the cycle of erosion, characterized by steep slopes, lack of flood plains, and V-shaped valleys Compare mature (sense 6), old (sense 18)