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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The meetup is admittedly bittersweet for Catelynn and husband Tyler Baltierra, who placed their firstborn daughter, Carly, for adoption during that journey. Angela Andaloro, People.com, 2 May 2025 On Monday, his attorneys said ICE denied Khalil a special accommodation to attend the birth of his firstborn son. Gloria Pazmino, CNN Money, 22 Apr. 2025 Families were advised to paint the entrance of their homes with the blood of a lamb, when the exodus happened, so God would spare the lives of their firstborn sons, Alvarez said. Amaris Encinas, USA Today, 18 Apr. 2025 Plus, dinner at even the most unassuming restaurant can often cost you your firstborn. Martin Vassolo, Axios, 5 Mar. 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 6 May. 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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