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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 | definition in the Cambridge English Dictionary

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

  3. 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.

  4. 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.

  5. thirty - Wiktionary, the free dictionary

    6 days ago · thirty (plural thirties) (slang) A rack of thirty beers. […] instead of thirties [thirty-second commercials], they buy sixties, which cost twice as much. They spend more on filming it than they …

  6. THIRTY definition and meaning | 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 …

  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 & Meaning | Dictionary.com

    THIRTY definition: a cardinal number, 10 times 3. See examples of thirty used in a sentence.

  9. Thirty Definition & Meaning | Britannica Dictionary

    He is in his thirties. He was tall, thirtyish [=about 30 years old], and had glasses and brown hair.

  10. THIRTY - Definition & Translations | Collins English Dictionary

    Discover everything about the word "THIRTY" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.