THIRTY Definition & Meaning - Merriam-Webster
The meaning of THIRTY is a number equal to three times 10. How to use thirty in a sentence.
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)
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.
thirty - Definition, pictures, pronunciation and usage notes
Definition of thirty in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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, …
thirty - Wiktionary, the free dictionary
Dec 14, 2025 · Numeral thirty The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30. Synonym: triacontad
Thirty – meaning, definition, etymology, examples and …
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 …
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: …
THIRTY Definition & Meaning | Dictionary.com
THIRTY definition: a cardinal number, 10 times 3. See examples of thirty used in a sentence.
Thirty Definition & Meaning | Britannica Dictionary
He is in his thirties. He was tall, thirtyish [=about 30 years old], and had glasses and brown hair.