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.
In the fourth quintile, Social Security is no longer the primary source of income, with income from pensions and retirement savings taking over the lead.
From MarketWatch ● Sep. 2, 2026
For the second quintile, reliance on Social Security drops to 64%, with income from pensions and retirement savings taking up some of the burden and some earnings kicking in as well.
From MarketWatch ● Sep. 2, 2026
The highest quintile earns more than that amount.
From The Wall Street Journal ● Jun. 26, 2026
The middle 20% of Americans earn as much as $105,500, and the next quintile earns as much as $175,700.
From The Wall Street Journal ● Jun. 26, 2026
The figures show the percentage of each quintile in first year high school who were found in the same quintile in the various later years.
From Vocational Psychology: Its Problems and Methods by Harry L. Hollingworth
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.
