: of, relating to, or characteristic of youth <youthful inexperience>
: being young and not yet mature
: marked by or possessing youth <youthful dancers>
: having the vitality or freshness of youth : vigorous <my youthful grandparents>
: having accomplished or undergone little erosion <youthful mountains>
— youth·ful·ly \-fə-lē\ adverb
— youth·ful·ness noun
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
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Seen & Heard
What made you want to look up youthful? Please tell us where you read or heard it (including the quote, if possible).