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

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

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

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

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.

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 …

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

Feb 17, 2026 · Noun thirty (plural thirties) (slang) A rack of thirty beers. (broadcasting) A commercial lasting 30 seconds. Coordinate term: sixty

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 …

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