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
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Will and his wife, Viveca Paulin, who also share sons Mattias and Axel, gave their firstborn a Scandinavian name as a nod to his mother’s Swedish heritage. Jane Lacroix, People.com, 8 Mar. 2025 The 25-year-old gave birth to her daughter and firstborn at six months. Elizabeth Ayoola, Essence, 3 Mar. 2025 Lionel Barrymore Maurice and Georgiana’s firstborn child, Lionel Herbert Blyth, arrived on April 28, 1878. Nicole Briese, People.com, 22 Feb. 2025 As shown on the new episode, both Kim and Ye were in the audience to cheer on their firstborn, with the mogul and rapper — who finalized their divorced in 2022 — taking a moment to gush over North after the show. Hannah Dailey, Billboard, 20 Feb. 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 26 Mar. 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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