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firstborn

adjective

first·​born ˈfərs(t)-ˈbȯrn How to pronounce firstborn (audio)
: first brought forth : eldest
firstborn noun

Examples of firstborn in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Joel's firstborn daughter, Alexa Ray, is now 39 years old. Sari Hitchins, Parents, 7 Nov. 2025 Paramedics were quick to arrive, but Shawntae was declared dead at the scene, having died in the arms of her firstborn. Chris Spargo, PEOPLE, 3 Nov. 2025 He’s been home recovering since Oct. 6, and has been reunited with his firstborn son, who was discharged from the neonatal intensive care unit at Texas Health Resources in Alliance after over 100 days. Harrison Mantas, Fort Worth Star-Telegram, 30 Oct. 2025 Soon, Sigg was on the phone with Westminster Police, sharing with them the news that would upend her life –– and send her firstborn son to prison for the rest of his. Dakin Andone, CNN Money, 26 Oct. 2025 See All Example Sentences for firstborn

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of firstborn was in the 14th century

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Cite this Entry

“Firstborn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/firstborn. Accessed 2 Dec. 2025.

Kids Definition

firstborn

adjective
first·​born ˈfərs(t)-ˈbȯ(ə)rn How to pronounce firstborn (audio)
: born first : eldest
firstborn noun

More from Merriam-Webster on firstborn

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