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WordReference Random House Learner's Dictionary of American English © 2024quad•ru•ple /kwɑˈdrupəl, -ˈdrʌpəl, ˈkwɑdrʊpəl/USA pronunciation adj., n., v., -pled, -pling. adj. - fourfold;
made up of four parts:a quadruple alliance. - four times as great.
n. [countable] - a number, amount, etc., four times as great as another.
v. - to make or become four times as great: [no object]The number of ESL students has quadrupled.[~ + object]This will quadruple your profits.
See -quad-, -plic-. WordReference Random House Unabridged Dictionary of American English © 2024quad•ru•ple (kwo dro̅o̅′pəl, -drup′əl, kwod′rŏŏ pəl),USA pronunciation adj., n., v., -pled, -pling. adj. - fourfold;
consisting of four parts:a quadruple alliance. - four times as great.
- Music and Dancehaving four beats to a measure.
n. - a number, amount, etc., four times as great as another.
- something, as a series of acrobatic somersaults, made up of four clearly defined parts or stages:the first trapeze artist to perform a quadruple successfully.
v.t., v.i. - to make or become four times as great:To serve 24 people, quadruple the recipe. My savings quadrupled in 20 years.
- Latin quadruplus; compare quadru-, duple
- Middle English 1325–75
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