Word.ws English Dictionary

Plural of firstborn

irregular plural

The plural of firstborn is firstborn or firstborns.

Forms of firstborn

Singularfirstborn /ˈfɜː(ɹ)stˌbɔː(ɹ)n/
Pluralfirstborn /ˈfɜː(ɹ)stˌbɔː(ɹ)n/
firstborns
Countablecountable

Meaning of firstborn

  1. noun The first child to be born to a parent or family.
  2. adjective Born as the first one in a family, flock or the like.
  3. adjective Most excellent; most distinguished or exalted.

Full definition of firstborn

Plural the same as the singular

Questions about the plural of firstborn

What is the plural of firstborn?
The plural of firstborn is firstborn or firstborns.
Is firstborn countable?
Firstborn is a countable noun.

Source and license

Adapted from Wiktionary: firstborn (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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