Dictionary.com
Thesaurus.com

eleventh

American  
[ih-lev-uhnth] / ɪˈlɛv ənθ /

adjective

  1. next after the tenth; being the ordinal number for 11.

  2. being one of 11 equal parts.


noun

  1. an eleventh part, especially of one (1/11).

  2. the eleventh member of a series.

eleventh British  
/ ɪˈlɛvənθ /

adjective

  1. (usually prenominal)

    1. coming after the tenth in numbering or counting order, position, time, etc; being the ordinal number of eleven: often written 11th

    2. ( as pronoun )

      the eleventh in succession

"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

noun

    1. one of 11 equal or nearly equal parts of an object, quantity, measurement, etc

    2. ( as modifier )

      an eleventh part

  1. the fraction equal to one divided by 11 ( 1/ 11 )

  2. music

    1. an interval of one octave plus one fourth

    2. See eleventh chord

"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

Etymology

Origin of eleventh

before 1000; Middle English enleventh, enlefte, Old English endlyfta (akin to Old Frisian andlofta, Old Saxon ellifto ). See eleven, -th 2

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.

Music revenues rose 6.4 percent, marking the eleventh consecutive year of expansion, according to the International Federation of the Phonographic Industry, which represents more than 8,000 global record labels.

From Barron's • Mar. 18, 2026

Oil futures took another swift dive on Tuesday as world leaders consider releasing emergency supplies as the Iran conflict stretched into an eleventh day.

From MarketWatch • Mar. 10, 2026

In 2024, California considered doing away with service charges as part of legislation banning “hidden” or “junk” fees but walked back the proposal at the eleventh hour.

From Los Angeles Times • Feb. 19, 2026

The school district also tried to radically change its argument at the eleventh hour by expanding it.

From Slate • Jul. 9, 2025

He shut his left eye and pretended to look through the viewfinder of his father’s old camera, which Habib had given to Fadi for his eleventh birthday, a few months before.

From "Shooting Kabul" by N. H. Senzai