first in the order of birth; eldest.


a firstborn child.
a first result or product.

Origin of firstborn

Middle English word dating back to 1300–50; see origin at first, born Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for first-born

Contemporary Examples of first-born

Historical Examples of first-born

  • At last she came to entertain a very unfavourable opinion of her first-born.

  • To her they were the same in every respect as her first-born.

  • "She had put there your father's first-born son," said Paul.

    A Son of Hagar

    Sir Hall Caine

  • Thus the exterminating angel kills the first-born of the Egyptians.

    The Phantom World

    Augustin Calmet

  • We live today in the midst of miracles as did the first-born of men.


    Anatole France

British Dictionary definitions for first-born



eldest of the children in a family


the eldest child in a family
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012