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Synonyms

youngest

American  
[yuhng-gist] / ˈyʌŋ gɪst /

adjective

  1. superlative of young.

noun

  1. 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.

Tracye Saar, who is her mother’s youngest daughter and also her studio manager, has memories of sitting under the long wooden tables at the ICCC, smelling the dust and oil from the sewing machines.

From Los Angeles Times • May 7, 2026

The Backstreet Boys are no longer boys—the oldest, Kevin Richardson, is 54, and the youngest, Nick Carter, is 46—but they’re commanding thousands of dollars from now-grown-up fans for tickets and travel.

From The Wall Street Journal • May 6, 2026

The couple’s youngest son, Joseph, lead singer of Toto, stood proudly behind Williams during the theater’s dedication.

From Los Angeles Times • May 4, 2026

Already the youngest pole winner and the youngest driver to lead championship, he is now only the third driver in history to take his first three pole positions in a row.

From BBC • May 3, 2026

The youngest of the soldiers was told to stay with us and guard us, while the others went out.

From "An Elephant in the Garden" by Michael Morpurgo

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.