quan·​ti·​fy | \ ˈkwän-tə-ˌfī How to pronounce quantify (audio) \
quantified; quantifying

Definition of quantify

transitive verb

1a(1) : to limit by a quantifier
(2) : to bind by prefixing a quantifier
b : to make explicit the logical quantity of
2 : to determine, express, or measure the quantity of

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Other Words from quantify

quantifiable \ ˌkwän-​tə-​ˈfī-​ə-​bəl How to pronounce quantifiable (audio) \ adjective

Examples of quantify in a Sentence

It is difficult to quantify intelligence. Doctors have quantified the risks of smoking cigarettes. It is impossible to quantify the number of Web sites on the Internet.
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Recent Examples on the Web At Amazon’s corporate headquarters, many executives’ performances are similarly quantified and ranked. Charles Duhigg, The New Yorker, "Is Amazon Unstoppable?," 10 Oct. 2019 The firm will help quantify what the actual cost of opioid abuse has been. Catalina Righter, baltimoresun.com/maryland/carroll, "In exploring opioid litigation, Manchester votes to engage attorney firm," 2 Oct. 2019 Sometimes data designers try to compensate for a lack of specified uncertainty by choosing a technique that implies a level of imprecision but does not quantify it. Jessica Hullman, Scientific American, "How to Get Better at Embracing Unknowns," 3 Sep. 2019 Admittedly, electability is hard to quantify months before an election. James Pindell, BostonGlobe.com, "Scorecard: How do Joe Biden, Bernie Sanders, and Elizabeth Warren measure up in N.H.?," 17 Aug. 2019 Co-author Sinan Aral, an MIT professor of management, says the impact can be quantified, thanks to a vast body of research on social-media messaging and its influence on user behavior. Annalisa Merelli, Quartz, "MIT has a plan to measure the impact of 2016 election interference," 7 Sep. 2019 Yet Quetelet’s overarching findings still stand: at some level, human life can be quantified and predicted. Hannah Fry, The New Yorker, "What Statistics Can and Can’t Tell Us About Ourselves," 2 Sep. 2019 Heat waves were quantified as any period longer than five days when the ocean warmed to abnormally high temperatures. Sarah Gibbens, National Geographic, "Ocean heat waves are killing underwater life, threatening biodiversity," 4 Mar. 2019 The impact of #MeToo in the case against Cosby can’t be quantified, though some say this year’s result is inarguably about timing and context. Anna Orso, Philly.com, "Was it #MeToo that convicted Bill Cosby? How public perception has evolved when it comes to sexual assault," 26 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quantify.' 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 quantify

1627, in the meaning defined at sense 2

History and Etymology for quantify

Medieval Latin quantificare, from Latin quantus how much

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Time Traveler for quantify

Time Traveler

The first known use of quantify was in 1627

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Statistics for quantify

Last Updated

17 Nov 2019

Cite this Entry

“Quantify.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/quantifies. Accessed 22 November 2019.

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More Definitions for quantify


How to pronounce quantify (audio)

English Language Learners Definition of quantify

formal : to find or calculate the quantity or amount of (something)

More from Merriam-Webster on quantify

Thesaurus: All synonyms and antonyms for quantify

Spanish Central: Translation of quantify

Comments on quantify

What made you want to look up quantify? Please tell us where you read or heard it (including the quote, if possible).


not agreeing with established beliefs

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