Simple Definition of youthful
: having or showing the freshness or energy of someone who is young
: having or showing the innocence, hope, lack of knowledge, etc., of someone who is young
Full Definition of youthful
1 : of, relating to, or characteristic of youth <youthful inexperience>
2 : being young and not yet mature
3 : marked by or possessing youth <youthful dancers>
4 : having the vitality or freshness of youth : vigorous <my youthful grandparents>
5 : having accomplished or undergone little erosion <youthful mountains>
Examples of youthful
My grandparents are still very youthful.
<it's still a youthful nation with a lot of promise and potential>
First Known Use of youthful
Seen and Heard
What made you want to look up youthful? Please tell us where you read or heard it (including the quote, if possible).