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 couple announced on Instagram the birth of their firstborn child by sharing a carousel post showing black and white photos of the newborn and the new parents holding her. Anna Halkidis, Parents, 16 July 2025 Jared Goff, 30, and his wife Christen Harper, 32, announced the arrival of their firstborn child on Tuesday, July 15, and uploaded photos of the family of three in a sweet slideshow shared on Instagram. Skyler Caruso, People.com, 15 July 2025 Amid the inedible food, the cold, and fear he might be deported, one moment stood out as the hardest to bear – immigration officials denying him permission to be present at the birth of his firstborn child. Hira Humayun, CNN Money, 11 July 2025 This reportedly includes the understanding that Prince George has a different burden to bear than his siblings, as the firstborn. Lissete Lanuza Sáenz, StyleCaster, 16 June 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 30 Jul. 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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