quadruple

verb
qua·​dru·​ple | \ kwä-ˈdrü-pəl How to pronounce quadruple (audio) , -ˈdrə-; ˈkwä-drə- How to pronounce quadruple (audio) \
quadrupled; quadrupling\ -​p(ə-​)liŋ How to pronounce quadrupling (audio) \

Definition of quadruple

 (Entry 1 of 3)

transitive verb

: to make four times as great or as many

intransitive verb

: to become four times as great or as numerous

quadruple

noun

Definition of quadruple (Entry 2 of 3)

: a sum four times as great as another

quadruple

adjective

Definition of quadruple (Entry 3 of 3)

1 : having four units or members
2 : being four times as great or as many
3 : marked by four beats per measure quadruple meter

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Other Words from quadruple

Adjective

quadruply \ kwä-​ˈdrü-​plē How to pronounce quadruply (audio) , -​ˈdrə-​ ; ˈkwä-​drə-​ \ adverb
quadruplicity \ ˌkwä-​dru̇-​ˈpli-​sə-​tē How to pronounce quadruplicity (audio) \ noun

Examples of quadruple in a Sentence

Verb

The value of the stock has quadrupled in the past year. The town's population has quadrupled in the past 50 years. The company has quadrupled the number of its employees.

Adjective

She ordered a quadruple espresso.
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Recent Examples on the Web: Verb

Economic output more than quadrupled over a decade from 2002, coinciding with higher oil prices, according to the World Bank, rising to nearly $600 billion in 2012 before the economy, squeezed by sanctions, entered recession. Sune Engel Rasmussen, WSJ, "As Iran Marks Its Anniversary, Economic Woes Cloud a Pitch for Unity," 10 Feb. 2019 At the Coleman prison complex in Sumterville, Fla., augmentation hours more than quadrupled to about 9,450 hours in the first three months of this year from about 2,140 hours in the same period in 2017, according to the data. New York Times, "Safety Concerns Grow as Inmates Are Guarded by Teachers and Secretaries," 17 June 2018 The number of areas where oxygen is completely absent has more than quadrupled over the past 50 years, the center's research says. Tristan Baurick, NOLA.com, "World's largest 'dead zone' discovered, and it's not in the Gulf of Mexico," 11 May 2018 For example, JPMorgan Chase quadrupled its tar sands investments. David Roberts, Vox, "The “Trump effect” threatens the future of the Paris climate agreement," 3 Dec. 2018 In Virginia, students at the University of Virginia nearly quadrupled their 2014 voter turnout rates. Rebecca Dancer, Teen Vogue, "Midterm Elections Voter Participation Seriously Increased at These Colleges Across the Country," 7 Nov. 2018 Data released this month by the CDC shows that the number of new moms addicted to opioids has quadrupled since 1999. Hayley Krischer, Marie Claire, "How Heroin Came for Middle-Class Moms," 20 Aug. 2018 PLD Space plans to quadruple the size of its engine test facility at Spain's Teruel Airport, following a new 25-year lease that began this month. Eric Berger, Ars Technica, "Rocket Report: Firefly resurrected, World View accident, Bezos to talk space," 10 Aug. 2018 An unsafe work environment was found to triple to quadruple the risk for committing a medical error. Alan Mozes, CBS News, "Doctor burnout behind many medical errors, study finds," 10 July 2018

Recent Examples on the Web: Noun

Overall, the state's rate of homebuilding would have to triple the historical average, quadruple last year's production and reach nearly seven times the pace of building in the last decade. Liam Dillon, latimes.com, "Villaraigosa and Newsom want to build more houses in California than ever before. Experts see the candidates' goal as an empty promise," 6 Mar. 2018 Really, biscotti should be double, triple and quadruple dipped — a dip a bite is perfect. Dorie Greenspan, New York Times, "Nothing Satisfies the Need for Crunch Like Biscotti," 19 June 2018 One group of astronomers has gone even further, managing to find a bizarre quadruple star system hiding just 146 light-years away. Avery Thompson, Popular Mechanics, "Astronomers Discover Bizarre Quadruple Star System," 15 Jan. 2019 These are now headphones that start the day with a double espresso instead of a quadruple. Vlad Savov, The Verge, "Audio-Technica M50xBT review: better beats," 12 Nov. 2018 The only region to see a falling infection rate in 2017 was the Western Pacific (including Cambodia, Fiji, Micronesia, and others), while Europe saw rates more than quadruple, and in the Americas, rates were more than 64 times higher. Cathleen O'grady, Ars Technica, "The fight against measles has taken a turn for the worse," 30 Nov. 2018 According to the Tulsa World , investigators say the quadruple shooting may have been a murder-suicide. Fox News, "Police: 3 adults dead, 1 hurt in shooting at Tulsa home," 2 Apr. 2018 House came to this new life after a brief stint on death row and 20 years behind bars for a grisly quadruple slaying over a $300 drug debt. William Lee, chicagotribune.com, "Fierce gang leader went from death row to respected 'Mayor of Chicago Avenue'," 29 June 2018 She's been taken off her ventilator but now faces a quadruple amputation, as doctors are forced to surgically remove dead muscle and tissue as time goes on. Samantha Toscano, Good Housekeeping, "Georgia Mother Continues to Battle Flesh-Eating Bacterial Infection," 15 June 2015

Recent Examples on the Web: Adjective

The company has had to hunt for qualified new workers to meet its plans to more than quadruple production over the next four years. Doug Cameron, WSJ, "Defense Companies Hunt for Scarce Skilled Workers," 28 Dec. 2018 This funding would nearly quadruple the contributions from the state’s general fund compared with the current two-year budget period, when the Legislature approved $10.8 million. Seattle Times Staff, The Seattle Times, "Washington lands commissioner wants $55M for wildfires, forests," 10 Oct. 2018 The Long Island Bar The lights over the booths are intimate and old-timey, and the decades-old bar itself—note the quadruple-paneled mirror by the cash register—is stunning. Alex Van Buren, Condé Nast Traveler, "21 Best Bars in New York City," 1 Mar. 2018 Formats for the collection include limited edition deluxe box set, limited edition deluxe double CD, double CD in slipcase, quadruple heavyweight vinyl in slipcase, and digital download. Sam Tornow, Billboard, "Ignition Records Announces Joe Strummer Major Rarities Collection," 29 June 2018 Vehicle miles traveled per person are about twice as high in the U.S. as in Sweden, while the U.S. death rate is quadruple Sweden’s. John D. Stoll, WSJ, "Sweden May Hold the Secret to Reducing Traffic Deaths," 26 June 2018 From quadruple rainbows to post-storm sunsets, our country is constantly coming up with new ways to take our breath. Rebecca Shinners, Country Living, "This Gorgeous Time Lapse Video is Basically a Gift From Mother Nature," 17 July 2015 AaRon Daniel, one of the victims killed in a quadruple fatality crash Friday in Kansas City was en route to see his newborn baby, the man's father said. Robert A. Cronkleton And Joe Robertson, kansascity, "Lives collide: Victims in car, Jeep shattered after flight from Independence police," 4 June 2018 Fifteen years after he was fired from Creighton, the quadruple murder trial of Anthony Garcia finally began. CBS News, "Was revenge the motive behind Omaha stabbing deaths?," 2 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quadruple.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of quadruple

Verb

14th century, in the meaning defined at transitive sense

Noun

15th century, in the meaning defined above

Adjective

1557, in the meaning defined at sense 1

History and Etymology for quadruple

Verb

Middle English (Scots), from Latin quadruplare, from quadruplus

Noun

Middle English, from Anglo-French, from Latin quadruplum, from neuter of quadruplus four times as great, from quadri- + -plus multiplied by — more at -fold

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Learn More about quadruple

Statistics for quadruple

Last Updated

13 May 2019

Look-up Popularity

Time Traveler for quadruple

The first known use of quadruple was in the 14th century

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More Definitions for quadruple

quadruple

verb

English Language Learners Definition of quadruple

 (Entry 1 of 2)

: to become four times bigger in value or number
: to cause (something) to become four times bigger

quadruple

adjective

English Language Learners Definition of quadruple (Entry 2 of 2)

: four times bigger in size or amount
: having four parts or including four people or things

quadruple

verb
qua·​dru·​ple | \ kwä-ˈdrü-pəl How to pronounce quadruple (audio) \
quadrupled; quadrupling

Kids Definition of quadruple

 (Entry 1 of 2)

: to make or become four times as great or as many

quadruple

adjective

Kids Definition of quadruple (Entry 2 of 2)

1 : having four units or parts
2 : being four times as great or as many

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More from Merriam-Webster on quadruple

Rhyming Dictionary: Words that rhyme with quadruple

Spanish Central: Translation of quadruple

Nglish: Translation of quadruple for Spanish Speakers

Britannica English: Translation of quadruple for Arabic Speakers

Comments on quadruple

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