youthful

1 of 2

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

youthfulness

2 of 2

noun

youth·​ful·​ness

plural -es

: the quality or state of being youthful

Synonyms of youthful

Adjective

• young

Examples of youthful in a Sentence

Adjective

My grandparents are still very youthful.

it's still a youthful nation with a lot of promise and potential

Recent Examples on the Web

Adjective

Lille have compensated with a more youthful midfield, where 18-year-old tempo-controller Ayyoub Bouaddi was their undoubted star last season. — Nick Miller, New York Times, 7 Sep. 2026

The 77-year-old rocker stunned fans with his remarkably fit physique while on tour, prompting social media users to marvel over his youthful appearance. — Lauryn Overhultz, FOXNews.com, 2 Sep. 2026

Here's how to make the most of the Vietnamese capital's District 1 neighborhood, the epicenter of the country's youthful fashion movement. — Condé Nast, Condé Nast Traveler, 2 Sep. 2026

Kennedy’s tale of youthful longing, confusion and healing from heartbreak is a marvel. — Lizz Schumer, PEOPLE, 2 Sep. 2026

Word History

First Known Use

Adjective

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