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  1. THIRTY Definition & Meaning - Merriam-Webster

    The meaning of THIRTY is a number equal to three times 10. How to use thirty in a sentence.

  2. THIRTY | English meaning - Cambridge Dictionary

    SMART Vocabulary: related words and phrases (Definition of thirty from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

  3. Thirty - definition of thirty by The Free Dictionary

    1. the period of time between one's thirtieth and fortieth birthdays. 2. the range of temperatures between thirty and forty degrees.

  4. thirty - Definition, pictures, pronunciation and usage notes | Oxford ...

    Definition of thirty in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  5. thirty - Wiktionary, the free dictionary

    2 days ago · Numeral thirty The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30. Synonym: triacontad

  6. What does thirty mean? - Definitions.net

    Thirty refers to the cardinal number that is equal to three times ten, represented by the digit 30. It is commonly used to indicate a quantity or count, specifically when there are 30 items or individuals …

  7. thirty - WordReference.com Dictionary of English

    thirties, the numbers, years, degrees, or the like, from 30 through 39, as in referring to numbered streets, indicating the years of a lifetime or of a century, or referring to degrees of temperature: He works in …

  8. THIRTY definition in American English | Collins English Dictionary

    When you talk about the thirties, you are referring to numbers between 30 and 39. For example, if you are in your thirties, you are aged between 30 and 39. If the temperature is in the thirties, the …

  9. Thirty - Definition, Meaning & Synonyms | Vocabulary.com

    /ˈθʌti/ IPA guide Other forms: thirties Definitions of thirty noun the cardinal number that is the product of ten and three synonyms: 30, XXX

  10. Thirty Definition & Meaning | YourDictionary

    Thirty definition: The cardinal number equal to 3 × 10.