youthful

adjective

youth·​ful ˈyüth-fəl 

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

youthfully

ˈyüth-fə-lē 

adverb

youthfulness noun

Synonyms of youthful

• young

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

His youthful experiences of flight and cultural assimilation inform a great deal of his work, which centers themes of belonging, identity, and collective memory. — News Desk, Artforum, 15 Oct. 2026

There’s an atemporal quality to Guitarrica’s music, at once vibrant and youthful, of its moment with pop hooks but simultaneously pulling from the traditional sounds of flamenco and rumba. — Carlos Aguilar, Los Angeles Times, 15 Oct. 2026

After the last practices and meetings ahead of their Friday night lights, around seven or eight brawny, youthful teenagers walk into Top Speed for a primer session. — Pj Green october 14, Kansas City Star, 14 Oct. 2026

Given his relatively youthful age, the view in the Vatican and among church leaders was that Leo had a long papacy in front of him. — Antonia Mortensen, CNN Money, 14 Oct. 2026

Word History

First Known Use

1557, in the meaning defined at sense 1

Phrases Containing youthful

• youthful indiscretion

Rhymes for youthful

• untruthful
• truthful

Kids Definition

youthful

adjective

youth·​ful ˈyüth-fəl 

1

: of, relating to, or suitable for youth

2

: being young and not yet mature

3

: having the freshness and energy of youth

youthful grandparents

youthfully

-fə-lē 

adverb

youthfulness noun