youthfulness
nounUK /ˈjuːθfəlnəs/
US /ˈjuːθfəlnəs/
The quality of being young or looking young.
Her youthfulness made everyone think she was still a teenager.
OTHER MEANINGS
2. The energy and enthusiasm typical of young people.
He brought a refreshing youthfulness to the team.
3. The state of being in an early stage of development.
The youthfulness of the project meant many changes were still possible.
4. A fresh, new, or immature appearance or quality.
The youthfulness of the forest after the fire surprised the scientists.