Word.ws English Dictionary

Plural of third

regular plural

The plural of third is thirds.

Forms of third

Singularthird /θɜːd/
Pluralthirds /θɜːdz/
Countablecountable and uncountable

Thirds in a sentence

  • He ate a third of the pie. Divided by two-thirds.
  • They sing in thirds.
  • Everybody helped themselves to seconds and Meren even went for thirds.2012, Sean Clancy, The Fledgling. From the entry seconds
  • Although there were some Poles, two thirds of the Volhynians were ethnic Ukrainians.2004, Joseph Pell, Fred Rosenbaum, “Life under Stalin”, in Taking Risks: A Jewish Youth in the Soviet Partisans and His Unlikely Life in…. From the entry Volhynian
  • Fully two thirds of the earth's surface is covered by water.1979, New West - Volume 4, Issues 14-20, page 11. From the entry undertoad

Meaning of third

  1. adjective The ordinal form of the cardinal number three; Coming after the second.
  2. noun The person or thing in the third position.
  3. noun One of three equal parts of a whole.

Full definition of third

Questions about the plural of third

What is the plural of third?
The plural of third is thirds.
Is third countable?
Third is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: third (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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Cite this page: “Plural of third.” Word.ws, https://word.ws/plural/third. Based on Wiktionary, CC BY-SA 4.0.