Definition of youngest

 (Entry 1 of 2)

superlative of young


youn·​gest | \ ˈyəŋ-gəst How to pronounce youngest (audio) \
plural youngest

Definition of youngest (Entry 2 of 2)

: 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: Noun My tentative youngest decided to watch her big sis first before committing to the ride. Stacey Hatton,, "Trip to Branson the ticket for family ‘adventures’," 19 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'youngest.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of youngest


before the 12th century, in the meaning defined above

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Time Traveler for youngest

Time Traveler

The first known use of youngest was before the 12th century

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Cite this Entry

“Youngest.” Dictionary, Merriam-Webster, Accessed 24 Oct. 2020.

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More Definitions for youngest


youn·​gest | \ ˈyəŋ-gəst How to pronounce youngest (audio) \
plural youngest

Kids Definition of youngest

: the least old member especially of a family His youngest is a toddler.

More from Merriam-Webster on youngest

Nglish: Translation of youngest for Spanish Speakers

Britannica English: Translation of youngest for Arabic Speakers

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