Definition of thirty Thirty

/θɚˈdi/ - [therdee] - thir•ty

We found 10 definitions of thirty from 7 different sources.

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What does thirty mean?

WordNet

WordNet by Princeton University

Noun

Plural: thirties

thirty - the cardinal number that is the product of ten and three
  30, XXX

Adjective

thirty, thirtier, thirtiest

thirty - being ten more than twenty
  30, xxx
= synonym
= antonym
= related word

Wiktionary Wiktionary dictionary logo

Webster DictionaryWebster's Unabridged Dictionary 📘

  • thirty (a.)
    Being three times ten; consisting of one more than twenty-nine; twenty and ten; as, the month of June consists of thirty days.
  • thirty (n.)
    The sum of three tens, or twenty and ten; thirty units or objects.
  • thirty (n.)
    A symbol expressing thirty, as 30, or XXX.

OmegaWiki DictionaryOmegaWiki Dictionary Ω

  • thirty
    The cardinal number occurring after twenty-nine and before thirty-one, represented in Roman numerals as XXX and in Arabic numerals as 30.

Chambers DictionaryChamber's 20th Century Dictionary 📕

  • thirty
    thėr′ti, adj. and n. three times ten.—adj. Thir′tieth, the last of thirty.—n. a thirtieth part. [A.S. thrítigthreó, three, -tig, suff. denoting ten.]

Wikipedia Wiktionary dictionary logo

  • Thirty is the number that is after twenty-nine and before thirty-one.

Part of speech

🔤
  • thirty, noun, singular of thirties.
  • thirty, adjective.

Pronunciation

Word frequency

Thirty is...

60% Complete
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Very Common
66% Complete
Rare
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Common

Sign Language

thirty in sign language
Sign language - letter T Sign language - letter T Sign language - letter H Sign language - letter H Sign language - letter I Sign language - letter I Sign language - letter R Sign language - letter R Sign language - letter T Sign language - letter T Sign language - letter Y Sign language - letter Y