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eightieth

eight·i·eth/ˈeɪ.ti.əθ/adjective, noun

eightieth is an adjective meaning “The ordinal form of the number eighty” (English Wiktionary, September 2026). It is spelled E-I-G-H-T-I-E-T-H and has 3 syllables (eight·i·eth), and it appears about once in every 11 million words in written English (wordfreq, 2021 data).

What does eightieth mean?

adjective

  1. 1

    The ordinal form of the number eighty.

noun

  1. 1

    The person or thing in the eightieth position.

  2. 2

    One of eighty equal parts of a whole.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce eightieth?

  • /ˈeɪ.ti.əθ/

Eightieth has 3 syllables, split eight·i·eth in writing.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-eightieth.ogg, Wikimedia Commons (author and licence on each file's page).

Forms of eightieth

  • eightieths plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is eightieth?

Eightieth appears about once in every 11 million words in written English, the 101,613th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Eightieth in Spanish, French, German and Portuguese

LanguageWords
Frenchquatre-vingtième, huitantième (ordinal form of the number eighty)
Germanachtzigste (ordinal form of the number eighty), Achtzigste (The person or thing in the eightieth position), Achtzigstel (One of eighty equal parts of a whole)
Portugueseoctogésimo (ordinal form of the number eighty), octogésima (The person or thing in the eightieth position)
Spanishoctogésimo (ordinal form of the number eighty)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does eightieth come from?

From earlier eighteth, from Middle English eightetithe, eiȝtetithe, eiȝtithe; equivalent to eighty + -eth. For the modern form, see the etymological notes at twentieth.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).