quadruple

[ kwo-droo-puhl, -druhp-uhl, kwod-roo-puhl ]

adjective

1. fourfold; consisting of four parts:

   a quadruple alliance.

2. four times as great.
3. Music. having four beats to a measure.

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)

, quad·ru·pled, quad·ru·pling.

1. to make or become four times as great:

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

quadruple

/ kwɒˈdruːpəl; ˈkwɒdrʊpəl /

verb

1. to multiply by four or increase fourfold

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

Derived Forms

• ˈquadruply, adverb

Other Words From

• quad·ruple·ness noun
• quad·ruply adverb

Word History and Origins

Origin of quadruple¹

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

Word History and Origins

Origin of quadruple¹

C16: via Old French from Latin quadruplus, from quadru- (see quadri- ) + -plus -fold

Example Sentences

The mother of an 18-year-old student from East Sussex who is facing a quadruple amputation after sepsis has described how he is "determined" to return to university.

From BBC

But Zurich is talking about a tripling or a quadruple in the number of human beings on the move that is going to collapse borders.

From Salon

Globally, sugar intake has quadrupled over the last 60 years, and it now makes up around 8% of all our calories.

From Salon

The number of hours in which sewage was dumped into London's River Thames more than quadrupled last year.

From BBC

The entertainment segment’s operating income for the quarter totaled $1.1 billion, quadruple the same quarter a year earlier, which included the lackluster “Haunted Mansion.”

From Los Angeles Times