- superlative of young.
youngest
Americanadjective
noun
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.
The child described Thursday by South Korea's spy agency would be the youngest.
From Barron's ● Sep. 10, 2026
Deborah Borza’s 20-year-old daughter Deora Bodley was the youngest on board Flight 93, which crashed in rural Pennsylvania, killing all 33 passengers and seven crew members.
From The Wall Street Journal ● Sep. 10, 2026
This strange realm of pointy peaks, rocky caves and soaring condors is California’s youngest and smallest national park, set in the underappreciated middle of California, where farms, ranches and vineyards blanket the valleys and hills.
From Los Angeles Times ● Sep. 8, 2026
If Antonelli does clinch his maiden title this year, he will surpass four-time winner Sebastian Vettel as the youngest driver in Formula 1 history to become world champion.
From BBC ● Sep. 5, 2026
Cassiopeia, the youngest, had taken a Giddy-Yap, Rainbow! book from the shelf to look at the pictures and had promptly fallen asleep in the rocking chair.
From "The Interrupted Tale" by Maryrose Wood
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.
