thirty

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thirty

/ˈθɜːti/ UK
/ˈθɝti/ US
[ˈθɝɾi] US
/θɪɾte/ Scotland
/-tɪ/ Scotland
/-ti/ Scotland
/θøːti/ New Zealand, Wales
/θeːti/
/θɛːti/

Rhymes with -ɜː(ɹ)ti

Where it comes from

From Middle English thirty, metathetic alternant of thritty, from Old English þrītiġ, þrittiġ (“thirty”), from Proto-Germanic *þrīz tigiwiz (“thirty”, literally “three tens”), equivalent to three + -ty. Cognate with Scots therty, tretty (“thirty”), West Frisian tritich (“thirty”), Dutch dertig (“thirty”), German dreißig (“thirty”).

number threety · thretty · thirtie · 30 · XXX

The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30. To conclude, here in tabular form is a summary of our ratings of espressos produced from thirty pod, capsule and disc blends.
Similar: triacontad

noun thirties · threety · thretty · thirtie · 30 · XXX

slang A rack of thirty beers.
A commercial lasting 30 seconds. […] instead of thirties [thirty-second commercials], they buy sixties, which cost twice as much. They spend more on filming it than they need to; they buy a lot of ads that are garbage and don't really say anything, just to fill up the space.

Thesaurus

Closest in meaning: xxx, cardinal, half, three, twenty, trento, sixty, thirteen, thirty-one, forty, fifteen, fifty, ninety, seventy, fourteen, twelve

Translations

Every language

num cardinal number

Español	treinta
한국어	서른 seoreun, 삼십 samsip
日本語	三十 sanjū
中文	三十 sānshí
हिन्दी	तीस tīs, त्रिंशत् triñśat
Kiswahili	thelathini
Português	trinta
Français	trente
Deutsch	dreißig
Italiano	trenta
Ελληνικά	τριάντα triánta
Română	treizeci
Русский	три́дцать trídcatʹ
Tiếng Việt	ba mươi
العربية	ثَلَاثِينَ ṯalāṯīna, ثَلَاثُونَ ṯalāṯūna, ٣٠
עברית	שְׁלוֹשִׁים shloshím

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Cite this

MLA

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

APA

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

Chicago

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

BibTeX

@misc{thirty_2026,
  title = {thirty},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/thirty},
  urldate = {2026-11-06}
}