plural youngest
: one that is the least old
especially
: the youngest child or member of a family
Examples of youngest in a Sentence
Recent Examples on the Web
Joseph Dycus, Mercury News, 13 Aug. 2025
A lot has happened since Ripa and Consuelos' youngest met the Queen of Pop.
—Gabrielle Chung, PEOPLE.com, 17 Aug. 2021
My tentative youngest decided to watch her big sis first before committing to the ride.
—Stacey Hatton, kansascity.com, 19 June 2017
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Noun
Kent, 32, is the third-youngest of Lacob’s children.
—Joseph Dycus, Mercury News, 13 Aug. 2025
A lot has happened since Ripa and Consuelos' youngest met the Queen of Pop.
—Gabrielle Chung, PEOPLE.com, 17 Aug. 2021
My tentative youngest decided to watch her big sis first before committing to the ride.
—Stacey Hatton, kansascity.com, 19 June 2017
Cite this Entry
“Youngest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/youngest. Accessed 31 Oct. 2025.
Copy CitationKids Definition
youngest
noun
youn·gest
ˈyəŋ-gəst 
: the least old member especially of a family
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