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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His firstborn son was no stranger to this form of soccer as well. Miami Herald, 16 June 2026 Harris’s parents saw Martin Luther King speak together, protested the Vietnam War, and marched for civil rights pushing their firstborn in a stroller. Ta-Nehisi Coates, Vanity Fair, 15 June 2026 Queen of Hearts and The Girl with the Needle actress Trine Dyrholm co-stars a woman estranged from children who turns up uninvited at a weekend-long naming party for her son’s firstborn child at a luxury season resort. Melanie Goodfellow, Deadline, 11 June 2026 In 2024, Lucie celebrated her firstborn’s 44th birthday in Palm Springs, sharing a selfie of herself and her family with Simon to her Instagram. Bailey Bujnosek, InStyle, 8 June 2026 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 22 Jun. 2026.

Kids Definition

firstborn

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

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