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firstborn

American  
[furst-bawrn] / ˈfɜrstˈbɔrn /

adjective

  1. first in the order of birth; eldest.


noun

  1. a firstborn child.

  2. a first result or product.

Etymology

Origin of firstborn

Middle English word dating back to 1300–50; see origin at first, born

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"We came here from Ukraine, and Matilda was our firstborn here in Australia," he said earlier this week.

From Barron's • Dec. 18, 2025

Vaill calls firstborn Angelica an “alpha female” who adored her younger sister but wondered, How’d she get him?

From Slate • Oct. 21, 2025

At our YMCA’s “toddler time,” my firstborn son had only a passing interest in the nylon tunnels and scooter boards.

From The Wall Street Journal • Sep. 25, 2025

"I always had this thing that death was on my shoulder, 24/7. My dogs, as a kid. My mum. My firstborn."

From BBC • Sep. 16, 2025

August started to sing then in a humming sort of way, “ ‘Mary brought forth her firstborn child and wrapped him in swaddling clothes and laid him in the manger.’

From "The Secret Life of Bees" by Sue Monk Kidd