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 Much trickier to quantify, however, is how his mere presence on the bench and in the locker room factors into the Warriors’ success. Connor Letourneau, SFChronicle.com, "Stephen Curry might be injured, but he’s still helping the Warriors win games," 26 Dec. 2019 Logs and Inventories Armed with pen, paper and stopwatch, scientists have been quantifying animal behavior in the wild (and in their labs) for decades, watching their subjects sleep and play and forage and mate. Quanta Magazine, "To Decode the Brain, Scientists Automate the Study of Behavior," 10 Dec. 2019 The cultural impact of Grand Theft Auto is hard to quantify. Matthew Gault, Time, "The 10 Best Video Games of the 2010s," 19 Dec. 2019 In addition, Scorsese's epic is a major awards contender, delivering Netflix potential brand-burnishing upside that is harder to quantify. Todd Spangler, chicagotribune.com, "‘The Irishman’ nabs 17.1 million U.S. viewers on Netflix in first five days, per Nielsen," 6 Dec. 2019 The number of foster youth who land in Arizona prisons is hard to quantify. Mary Jo Pitzl, Arizona Republic, "Criminalizing 'children who have been traumatized': How foster care led to prison," 20 Nov. 2019 Besides assists, Gregus’ value as a central midfielder is harder to quantify. Andy Greder, Twin Cities, "Called ‘underrated,’ Loons midfielder Jan Gregus proves his value," 28 Sep. 2019 But quantifying other people is different, and mediating relationships with software isn’t a purely personal decision. Kaitlyn Tiffany, The Atlantic, "Managing Your Friendships, With Software," 7 Nov. 2019 While the potential links with early deaths and financial damages are alarming, there are other effects of declining air quality that are more difficult to quantify but are negatively impacting people's lives, the authors say. Drew Kann, CNN, "Air quality in the US is getting worse and could be killing thousands, study finds," 23 Oct. 2019

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

13 Jan 2020

Cite this Entry

“Quantify.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/quantify. Accessed 17 January 2020.

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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)

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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).


a plan in which a last survivor takes all

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