Word.ws English Dictionary

thirdborn

thirdborn adjective: born as the third child to parent or family.

Adjective

thirdborn (not comparable)

  1. Born as the third child to parent or family.
    • Mary, the thirdborn Bennett child in the novel Pride and Prejudice, receives the least attention.
  2. Third of a particular type to be born to a parent or family.
    • Prince Arthur was Queen Victoria's thirdborn son and her seventh child overall.

Noun

thirdborn (plural thirdborns)

  1. The third child born to a parent or family.
    • After correcting for factors that may affect scores, including parents’ education level, maternal age at birth and family size, the researchers found that eldest children scored an average of 103.2, about 3 percent higher than second children (100.3) and 4 percent higher than thirdborns (99.0).2007 June 22, Benedict Carey, “Research Finds Firstborns Gain the Higher I.Q.”, in New York Times

Forms of thirdborn

pluralthirdborns

Origin of thirdborn

From third + born.

Questions about thirdborn

What does thirdborn mean?
Thirdborn means born as the third child to parent or family.
What part of speech is thirdborn?
Thirdborn can be an adjective or a noun.

Words near thirdborn in the dictionary

  1. third-worldish
  2. Third-Worldism
  3. Third-Worldist
  4. Third-Worldists
  5. Third-Worldization
  6. thirdborn
  7. thirdborns
  8. thirdborough
  9. thirdboroughs
  10. thirde
  11. thirded

Source and license

Adapted from Wiktionary: thirdborn (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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