noun, verb ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Any of the three points that divide an ordered distribution into four parts, each containing a quarter of the population.
2. 2
   (statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores wordnet
3. 3
   Any one of the four groups so divided.

   "This school is ranked in the first quartile."

Verb

1. 1
   To divide into quartiles. transitive

Synonyms

All synonyms

foursquarehingehingemedianquadrilateralquadruped

Example

More examples

"This school is ranked in the first quartile."

Etymology

From Middle French quartil, from Medieval Latin quartilus. By surface analysis, quart + -ile.

Related phrases

interquartile rangelower quartileupper quartile

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.