thirty meaning: definition, etymology and quotations

thirty

num

UK /ˈθɜːti/ · US /ˈθɝti/

Etymology From Middle English thirty, metathetic alternant of thritty, from Old English þrītiġ, þrittiġ (“thirty”), from Proto-Germanic *þrīz tigiwiz (“thirty”, literally “three tens”), equivalent to three + -ty. Cognate with Scots therty, tretty (“thirty”), West Frisian tritich (“thirty”), Dutch dertig (“thirty”), German dreißig (“thirty”).

The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30.

To conclude, here in tabular form is a summary of our ratings of espressos produced from thirty pod, capsule and disc blends.2009 January 19, Kenneth Davids, “Convenience First: Espresso Pods and Capsules”, in Coffee Review, archived from the original on 17 Jan 2025:

Derived terms: 40 terms
dark thirty, oh dark thirty, 0-dark-thirty, Glorious Thirty, seven-thirty, thirties, thirtieth, thirty-eight, thirty-eighth, thirty-eleven, thirty-fifth, thirty-first, thirty-five, thirtyfold, thirty-four, thirty-fourth, thirtyish, thirty-nine, thirty-ninth, thirtyodd, thirty-one, thirtypenny, thirty pieces of silver, thirty-second, thirty-seven, thirty-seventh, thirty-six, thirty-sixth, thirtysomething, thirty-something, thirty-third, thirty-thirty, thirty-thousand-foot view, 30,000-foot view, thirty-three, thirty-two, thirty-twomo, thirty-year-old, Thirty Years' War, TMZ
Related terms: trigesimal, tricenary, thirtyish, tricenarian, thirtysomething, tricennial, trigintennial, triacontahedron, triacontagon, triacontahedral

thirty

noun

Slang A rack of thirty beers.

Broadcasting, Media A commercial lasting 30 seconds.

[…] instead of thirties [thirty-second commercials], they buy sixties, which cost twice as much. They spend more on filming it than they need to; they buy a lot of ads that are garbage and don't really say anything, just to fill up the space.2014, Jules Witcover, No Way to Pick a President: