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
youthfulness
noun
Examples of youthful in a Sentence
My grandparents are still very youthful.
it's still a youthful nation with a lot of promise and potential
Recent Examples on the Web
Long layers are sliced throughout for movement and volume, while face-framing pieces add a youthful bounce.
—
Ariel Wodarcyk, InStyle, 13 Jan. 2026
The most recent example has been Raul de Lara, who arrived here as a youthful immigrant from Mexico.
—Austin American Statesman, 12 Jan. 2026
Once regarded as the band’s kid brother — not to mention its youthful heartthrob — Weir became a whiskery symbol of the Dead’s unrivaled endurance.
—Mikael Wood, Los Angeles Times, 11 Jan. 2026
The graying halls of Congress don’t usually evoke images of youthful ambition, but a record number of lawmakers are calling it quits in 2026.
—Greg Bluestein, AJC.com, 9 Jan. 2026
See All Example Sentences for youthful
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Cite this Entry
“Youthful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/youthful. Accessed 20 Jan. 2026.
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