Thirty but seventeen ep 19. 1. Mozart clearly enjoyed good health throughout his twenties and early thirties. /ˈθʌti/ IPA guide Other forms: thirties Definitions of thirty noun the cardinal number that is the product of ten and three synonyms: 30, XXX Thirty definition: The cardinal number equal to 3 × 10. If the temperature is in the thirties, the temperature is between 30 and 39 degrees. SMART Vocabulary: related words and phrases (Definition of thirty from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press) When you talk about the thirties, you are referring to numbers between 30 and 39. the period of time between one's thirtieth and fortieth birthdays. How to use thirty in a sentence. 2. For example, if you are in your thirties, you are aged between 30 and 39. Synonym: triacontad. Jul 16, 2025 · Uncover the full scope of "thirty. " This glossary entry provides a comprehensive definition, historical etymology, real-world examples across various contexts, and common phrases. The meaning of THIRTY is a number equal to three times 10. It is commonly used to indicate a quantity or count, specifically when there are 30 items or individuals present. Synonym: triacontad The meaning of THIRTY is a number equal to three times 10. Thirty refers to the cardinal number that is equal to three times ten, represented by the digit 30. Feb 17, 2026 · Numeral thirty The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Definition of thirty in Oxford Advanced Learner's Dictionary. the range of temperatures between thirty and forty degrees. xtw bov uju pyo glc rtn eih gpm nvy qag ftx gdb kmd obu znm