Word.ws English Dictionary

thirty-oneth

UK/ˌθɜːti ˈwʌnθ/US/ˌθɚti ˈwʌnθ/

thirty-oneth adjective: thirty-first.

Adjective

thirty-oneth (not comparable)

  1. (nonstandard) thirty-first

Noun

thirty-oneth (plural thirty-oneths)

  1. A fractional part of which thirty-one make up a whole
    • about twenty thirty-oneths in value of such sales being made as hereinafter mentioned to a syndicate of persons in the United Kingdom, about seven thirty-oneths to residents in the United States, and about four thirty-oneths to residents in other European countries and the colonies.August 15, 1896, “Brooke & Co. (Limited) v. Commissioners of Inland Revenue”, in The Weekly Reporter vol. XLIV, Supreme Court of Judicature, House of Lords, London., page 671
    Synonyms:
    thirty-first

Synonyms of thirty-oneth

Forms of thirty-oneth

pluralthirty-oneths

Origin of thirty-oneth

From thirty-one + -th (ordinal suffix).

Questions about thirty-oneth

What does thirty-oneth mean?
Thirty-oneth means thirty-first.
What part of speech is thirty-oneth?
Thirty-oneth can be an adjective or a noun.
How do you pronounce thirty-oneth?
Thirty-oneth is pronounced /ˌθɜːti ˈwʌnθ/ (UK).

Words near thirty-oneth in the dictionary

  1. thirty-leven
  2. thirty-nine
  3. thirty-ninth
  4. thirty-ninths
  5. thirty-one
  6. thirty-oneth
  7. thirty-oneths
  8. thirty-second
  9. thirty-second note
  10. thirty-second notes
  11. thirty-second rest

Source and license

Adapted from Wiktionary: thirty-oneth (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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Cite this entry: “thirty-oneth.” Word.ws, https://word.ws/thirty-oneth. Based on Wiktionary, CC BY-SA 4.0.