Eleven Definition

ĭ-lĕvən

noun

The cardinal number between ten and twelve; 11; XI.

Webster's New World

The 11th in a set or sequence.

American Heritage

Any group of eleven people or things; esp., a football or cricket team.

Webster's New World

Something numbered eleven or having eleven units, as a throw of dice.

Webster's New World

(Internet, slang, sarcastic) Used instead of ! to amplify an exclamation, imitating n00bs who forget to press the shift key while typing exclamation points.

A: SUM1 Hl3p ME im alwyz L0ziN!!?!

B: y d0nt u just g0 away l0zer!!1!!one!!one!!eleven!!1!

Wiktionary

Synonyms:

Synonyms:
xi
11
football team

adjective

Totaling one more than ten.

Webster's New World

Synonyms:

Synonyms:
11
xi

Other Word Forms of Eleven

Noun

Singular:

eleven

Plural:

elevens

Origin of Eleven

From Middle English, from Old English endleofan; from Proto-Germanic *ainalif (“one left”), a compound of *ainaz and *lif-. Compare West Frisian alve, Dutch elf, German elf, Danish elleve.

From Wiktionary
Middle English elleven from Old English endleofan oi-no- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition