quadruple

American  

[kwo-droo-puhl, -druhp-uhl, kwod-roo-puhl] / kwɒˈdru pəl, -ˈdrʌp əl, ˈkwɒd rʊ pəl /

adjective

1. fourfold; consisting of four parts.

   a quadruple alliance.

2. four times as great.

3. Music. having four beats to a measure.

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noun

1. a number, amount, etc., four times as great as another.

2. 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.

verb (used with or without object)

quadrupled, quadrupling

1. to make or become four times as great.

   To serve 24 people, quadruple the recipe. My savings quadrupled in 20 years.

quadruple British  

/ kwɒˈdruːpəl, ˈkwɒdrʊpəl /

verb

1. to multiply by four or increase fourfold

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adjective

1. four times as much or as many; fourfold

2. consisting of four parts

noun

1. a quantity or number four times as great as another

Other Word Forms

• quadrupleness noun
• quadruply adverb

Etymology

Origin of quadruple

1325–75; Middle English < Latin quadruplus; quadru-, duple

Example Sentences

Skating last after leading the short program, just as he did in Milan, Malinin landed five high-scoring quadruple jumps but not his pioneering quad axel, a jump he didn’t attempt at the Olympics.

From Los Angeles Times

On Wednesday, the company said it had signed an agreement with the US Department of Defense to "quadruple" production of the munition.

From BBC

Arsenal's defeat by Manchester City in the Carabao Cup final was the 50th game of their gruelling season as their hopes of a quadruple were dashed.

From BBC

It currently has a market valuation of around $445 billion, with shares in Seoul having more than quadrupled in value in the past 12 months.

From Barron's

Chinese toy maker Pop Mart quadrupled its profit and nearly tripled its revenue last year, defying market challenges.

From The Wall Street Journal