one-third

noun

One of three equals parts (1/3, ⅓, 0.333…).

Meanings

nounone-third (uncountable)

alternative one third

  1. uncountableOne of three equals parts (1/3, ⅓, 0.333…).

    Gilgamesh is himself a man, two-thirds god, one-third mortal.

    1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 186
    1 more example

    There are some glittering stats out there regarding Brassey: namely that he'd built around one-third of Britain's railways by the time he was in his early 40s, and that by the time of his death (aged 65) he was responsible for around one-twentieth of the world's railways.

    2021 December 29, Stephen Roberts, “Stories and facts behind railway plaques: Chester (1848)”, in Rail, number 947, page 57

    Synonyms: third

Synonyms & antonyms

nounOne of three equals parts (1/3, ⅓, 0.333…).

Similar

More synonyms by meaning

nounone of three equal parts of a divisible whole

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Basque herena
  • herenaTranslations
Finnish kolmasosa, kolmannes
  • kolmasosaTranslations
  • kolmannesTranslations
Portuguese um terço
  • um terçoTranslations
Spanish un tercio
  • un tercioTranslations
Swahili theluthi
  • theluthiTranslations
Cite this entry
APA

one-third. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/one-third

MLA

“one-third.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/one-third. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “one-third,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/one-third.

Source: one-third on Wiktionary, CC BY-SA 4.0.