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thirty
[ thur-tee ]
/ ˈθɜr ti /
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This shows grade level based on the word's complexity.
noun, plural thir·ties.
a cardinal number, 10 times 3.
a symbol for this number, as 30 or XXX.
a set of this many persons or things.
Printing, Journalism. 30-dash.
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 the East Thirties. She must be in her thirties. The temperature was in the thirties yesterday.
adjective
amounting to 30 in number.
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Words nearby thirty
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use thirty in a sentence
British Dictionary definitions for thirty
thirty
/ (ˈθɜːtɪ) /
noun plural -ties
the cardinal number that is the product of ten and threeSee also number (def. 1)
a numeral, 30, XXX, etc, representing this number
(plural) the numbers 30–39, esp the 30th to the 39th year of a person's life or of a century
the amount or quantity that is three times as big as ten
something representing, represented by, or consisting of 30 units
determiner
- amounting to thirtythirty trees
- (as pronoun)thirty are broken
Word Origin for thirty
Old English thrītig; see three, -ty 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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