THIRTY Definition & Meaning - Merriam-Webster
Dec 5, 2016 · The meaning of THIRTY is a number equal to three times 10. How to use thirty in a sentence.
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 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)
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.
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 …
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 …
thirty - Wiktionary, the free dictionary
Dec 14, 2025 · 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 …
THIRTY Definition & Meaning | Dictionary.com
THIRTY definition: a cardinal number, 10 times 3. See examples of thirty used in a sentence.
thirty | Dictionaries and vocabulary tools for English language ...
Definition of thirty. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.
Thirty Definition & Meaning | Britannica Dictionary
He is in his thirties. He was tall, thirtyish [=about 30 years old], and had glasses and brown hair.