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)

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

/ 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

Other Word Forms

• quadrupleness noun
• quadruply 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

Since 2019, the company says it has found billions of barrels' worth of oil in Guyanese waters and territory - causing the state budget to quadruple.

From BBC

"It's the way the game has gone - quadruple checking everything every minute," Parker told BBC Match of the Day.

From BBC

In Seoul, where their numbers have quadrupled in the last 15 years, it sometimes feels like there’s one on every corner.

From Los Angeles Times

In his first public comments about his health issues, Angels manager Ron Washington says he is recovering from quadruple bypass heart surgery.

From Los Angeles Times

The fines double and quadruple on the second and third violation, respectively.

From Los Angeles Times