- 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.
In the weeks following the Celtics’ move, the NBA’s youngest and oldest superstars took their own steps to work within the salary restrictions.
From The Wall Street Journal ● Aug. 9, 2026
The youngest of four boys, Roberts grew up in the Scottish countryside, exploring the Bronze Age fort behind his farmhouse and a nearby castle.
From The Wall Street Journal ● Aug. 8, 2026
Rhys' youngest son Gruff was six when the crash happened.
From BBC ● Aug. 7, 2026
Jason Arday, who made headlines when appointed as Cambridge's youngest black professor in 2023, resigned Wednesday after the university announced a probe into snowballing claims he plagiarised parts of his PhD thesis.
From Barron's ● Aug. 7, 2026
Before long, the youngest Fox sister was writing to Elisha like a brother.
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
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
