quintile
Americannoun
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Statistics. a quantile for the special case of five equal proportions.
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Astrology. a quintile aspect.
adjective
noun
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an aspect of 72° between two heavenly bodies
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a fifth part of a distribution
Etymology
Origin of quintile
1600–10; < Latin quīnt ( us ) fifth + -ile (as in quartile )
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.
The highest quintile earns more than that amount.
From The Wall Street Journal ● Jun. 26, 2026
The next quintile earns as much as $65,100.
From The Wall Street Journal ● Jun. 26, 2026
His research paper, titled “You’re Not Hired,” found that employment of early career workers in the most AI-exposed quintile declined by 15% following the introduction of ChatGPT.
From MarketWatch ● Apr. 22, 2026
“The best performing quintile over time is the fourth—meaning down from highs—but less so than 60% of stocks.”
From Barron's ● Dec. 10, 2025
Similarly, the Income Dynamics data show that people from the lowest 5th quintile can migrate to the higher quintiles .
From Definition & Reality in the General Theory of Political Economy by Colignatus, Thomas
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.