All youthfully synonyms

adverb youthfully

• childishly — of, like, or befitting a child: childish games.
• boyish — If you describe a man as boyish, you mean that he is like a boy in his appearance or behaviour, and you find this characteristic quite attractive.
• girlishly — In a girlish manner.
• vigorously — full of or characterized by vigor: a vigorous effort.
• energetically — In an energetic manner.
• enthusiastically — In an enthusiastic manner.
• actively — engaged in action; characterized by energetic work, participation, etc.; busy: an active life.