Try Our Apps


The Best Internet Slang


[per-sen-tahyl, -til] /pərˈsɛn taɪl, -tɪl/ Statistics.
one of the values of a variable that divides the distribution of the variable into 100 groups having equal frequencies:
Ninety percent of the values lie at or below the ninetieth percentile, ten percent above it.
of or relating to a percentile or a division of a distribution by percentiles.
Origin of percentile
First recorded in 1880-85; percent + -ile
Can be confused
percent, percentage, percentile (see usage note at percent) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for percentile
Contemporary Examples
Historical Examples
British Dictionary definitions for percentile


one of 99 actual or notional values of a variable dividing its distribution into 100 groups with equal frequencies; the 90th percentile is the value of a variable such that 90% of the relevant population is below that value Also called centile
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for percentile

1885, coined by English scientist Francis Galton (1822-1911) from percent + -ile.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
percentile in Science
Any of the 100 equal parts into which the range of the values of a set of data can be divided in order to show the distribution of those values. The percentile of a given value is determined by the percentage of the values that are smaller than that value. For example, a test score that is higher than 95 percent of the other scores is in the 95th percentile.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for percentile

Most English speakers likely know this word

Word Value for percentile

Scrabble Words With Friends

Nearby words for percentile