thirty
/ˈθɝti/number, noun
thirty is spelled T-H-I-R-T-Y: 6 letters and 2 syllables. It appears 24 times per million words in written English, the 3,752nd most frequent word form (wordfreq, 2021 data). As a number, thirty means “The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30” (English Wiktionary, September 2026).
How many letters and syllables are in thirty?
| Letters | 6: T-H-I-R-T-Y |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 24 times per million words; the 3,752nd most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is thirty?
Thirty appears 24 times per million words in written English, the 3,752nd 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).
How do you pronounce thirty?
- UK /ˈθɜːti/
- US /ˈθɝti/
- US [ˈθɝɾi]
Thirty has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-uk-thirty.ogg, En-us-thirty.ogg, Wikimedia Commons (author and licence on each file's page).
What rhymes with thirty?
3 words on PlainSpell end in the same sounds as thirty from its last stressed vowel (/ɜɹti/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of thirty
- 30
- thirties plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does thirty mean?
The meanings the English Wiktionary records, quoted as written there (source below).
number
- 1
The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30.
noun
- 1
slangA rack of thirty beers.
- 2
A commercial lasting 30 seconds.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Thirty in Spanish, French, German and Portuguese
In the sense cardinal number:
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 thirty come 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”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).