definitions

firstborn

[ furst-bawrn ]
/ ˈfɜrstˈbɔrn /
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SEE MORE SYNONYMS FOR firstborn ON THESAURUS.COM

adjective

first in the order of birth; eldest.

noun

a firstborn child.
a first result or product.

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RELATED WORDS

earlier, older, elder, pensioner, senior, ancient, grandmother, head, matriarch, patriarch, grandfather, oldster, old-timer, doyen, doyenne, first, former, lower, preceding, prior

Nearby words

first-strike, first-string, first-termer, first-time, first-timer, firstborn, firstcomer, firsthand, firstling, firstly, firstnighter

Origin of firstborn

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

Examples from the Web for first-born

British Dictionary definitions for first-born

first-born

adjective

eldest of the children in a family

noun

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