quantify
Americanverb (used with object)
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to determine, indicate, or express the quantity of.
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Logic. to make explicit the quantity of (a proposition).
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to give quantity to (something regarded as having only quality).
verb
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to discover or express the quantity of
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logic to specify the quantity of (a term) by using a quantifier, such as all, some, or no
Other Word Forms
Etymology
Origin of quantify
First recorded in 1830–40; from Medieval Latin quantificāre, equivalent to Latin quant(us) “how much” + -ificāre -ify
Compare meaning
How does quantify compare to similar and commonly confused words? Explore the most common comparisons:
Explanation
When you quantify something, you're putting it in numbers. If you're asked to quantify the fingers on your hand, you better say five. If you like math, this word is for you: quantifying is counting or expressing something in numbers. Oddly enough quantify often comes into play when people are trying to count things that can't really be counted. When a doctor asks you to rate your pain on a scale of 1 to 10, he's asking you to quantify for your pain. Michael Jordan won 6 NBA championships, but you can't quantify what made him great: his drive and determination.
Vocabulary lists containing quantify
This Week In Culture: September 5–11, 2020
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This Week In Culture: Current Events Vocab for October 31–November 6, 2020
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"Simon's Saga," Vocabulary from Episode 35
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Conventional simulations oversimplify real materials, while experiments reveal complexity without a clear way to quantify cause and effect," explains Prof. Kotsugi.
From Science Daily • May 18, 2026
The biggest risk is impossible to quantify: AI technology could become far more efficient in its use of memory, meaning data centers need less of it.
From The Wall Street Journal • May 17, 2026
The Roth conversion calculators in these financial-planning programs are designed to model and quantify the analysis to tell you whether you will end up paying more tax now or more tax later.
From MarketWatch • May 15, 2026
Vermeulen added that it was hard to quantify the number of whales struck due to a lack of current data.
From BBC • May 11, 2026
"Don't you quantify us? Break us into parts? Tabulate what features are more beautiful than others?"
From "The Belles" by Dhonielle Clayton
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
