firstborn

[ furst-bawrn ]
See synonyms for: firstbornfirstborns on Thesaurus.com

adjective
  1. first in the order of birth; eldest.

noun
  1. a firstborn child.

  2. a first result or product.

Origin of firstborn

1
Middle English word dating back to 1300–50; see origin at first, born

Words Nearby firstborn

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use firstborn in a sentence

British Dictionary definitions for first-born

first-born

adjective
  1. eldest of the children in a family

noun
  1. 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