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.
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
One of screens shows stocks that are relatively expensive—they are in the top quintile of price/earnings multiples — and are in the top quintile of gross margin volatility.
From Barron's • Apr. 17, 2026
“In 2022 the cost of inflation for the lowest income quintile amounted to 12.28% of their current income, compared with 5.69% for the highest quintile,” the economists wrote.
From The Wall Street Journal • Nov. 12, 2025
Only 1.7% of the benefits would go to the bottom 20% of households by income, compared with nearly 65% to the top quintile and more than 23% to just the top 1%.
From Los Angeles Times • Feb. 6, 2025
The figures show only those who were in precisely the same quintile all the way through.
From Vocational Psychology: Its Problems and Methods by Hollingworth, Harry L.
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.
