Synonyms

youngest

American

[yuhng-gist] / ˈyʌŋ gɪst /

adjective

superlative of young.

noun

a person who is the least old of a group, as the youngest member of a family.

Their youngest is still in high school.

Etymology

Origin of youngest

First recorded before 1000; young ( def. ) + -est ¹ ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nancy Iskander at the criminal trial testified she began to cross on inline skates with her youngest son, Zachary, next to her on his scooter.

From Los Angeles Times • Apr. 24, 2026

Leavitt is already the mother of a boy born in July 2024, and at 28, is the youngest person ever appointed to the intense, high-visibility post.

From Barron's • Apr. 24, 2026

McLaren have made 11-year-old Harry Williams their youngest ever signing.

From BBC • Apr. 23, 2026

Wages for this draft class are far from NFL records, as the league introduced a rookie wage scale in 2011 to keep salaries for its youngest players lower.

From MarketWatch • Apr. 23, 2026

Growing up in an era of ecstatic religious feeling, brought up by a fervent father and superstitious mother, the youngest Fox sisters may have been susceptible to the notion of spirits.

From "American Spirits" by Barb Rosenstock

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023