thirtieth

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thirtieth

  • /ˈθɜːti.əθ/ UK
  • /ˈθɝti.əθ/ US

Where it comes from

From earlier thirteth, from Middle English thrittithe, threttiþe, thrittyde, from Old English þrītigoþa; equivalent to thirty + -eth. For the modern form, see the etymological notes at twentieth.

adjective

  1. not comparable The ordinal form of the number thirty.

    Similar: 30th, trigesimal

noun thirtieths

  1. The person or thing in the thirtieth position.
  2. One of thirty equal parts of a whole.

Translations

Every language

adj the ordinal form of the number thirty — see also 30th

Españoltrigésimo
한국어서른째 seoreunjjae
日本語第三十 dai-sanjū
中文第三十 dì sānshí
हिन्दीतीसवाँ tīsvā̃
Kiswahilithelathini
Portuguêstrigésimo
Françaistrentième
Deutschdreißigste
Italianotrentesimo
Ελληνικάτριακοστός triakostós
Românăal treizecilea
Русскийтридца́тый tridcátyj
Tiếng Việtthứ ba mươi

noun the person or thing in the thirtieth position

Españoltrigésimo
हिन्दीतीसवाँ tīsvā̃
Portuguêstrigésimo
Françaistrentième
Deutschdreißigste
Italianotrentesimo, trentesima

noun one of thirty equal parts of a whole

Españoltreintavo
हिन्दीतीसवाँ tīsvā̃
Portuguêstrigésimo, trinta avos, trigésima parte
Françaistrentième
Deutschdreißigste
Italianotrentesimo
Русскийтридцатая

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Cite this
MLA

"thirtieth." Wiktionary, via Micwyn, micwyn.com/word/thirtieth. Accessed 6 Nov. 2026.

APA

thirtieth. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/thirtieth

Chicago

"thirtieth." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/thirtieth.

BibTeX
@misc{thirtieth_2026,
  title = {thirtieth},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/thirtieth},
  urldate = {2026-11-06}
}