eleventh

UK: /ɪˈlɛv^ənθ/ US: (i lev′ənth)

WordReference Random House Unabridged Dictionary of American English © 2026

e•lev•enth  (i lev′ənth), adj. 

1. next after the tenth;
   being the ordinal number for 11.
2. being one of 11 equal parts.

n. 

3. an eleventh part, esp. of one (¹⁄₁₁).
4. the eleventh member of a series.

• Middle English enleventh, enlefte, Old English endlyfta (akin to Old Frisian andlofta, Old Saxon ellifto). See eleven, -th² bef. 1000

Collins Concise English Dictionary © HarperCollins Publishers::

eleventh / ɪˈlɛvənθ/ adjective

1. (usually prenominal) 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

noun

1. one of 11 equal or nearly equal parts of an object, quantity, measurement, etc
2. (as modifier): an eleventh part
3. the fraction equal to one divided by 11 ()
4. an interval of one octave plus one fourth

WordReference Random House Learner's Dictionary of American English © 2026

e•lev•en /ɪˈlɛvən/   n. [countable]

1. a cardinal number, ten plus one.
2. a symbol for this number, as 11 or XI.

adj. 

3. amounting to eleven in number.

e•lev•enth, adj. 

WordReference Random House Unabridged Dictionary of American English © 2026

e•lev•en  (i lev′ən), n. 

1. a cardinal number, ten plus one.
2. a symbol for this number, as 11 or XI.
3. a set of this many persons or things, as a football team.

adj. 

4. amounting to eleven in number.

• bef. 900; Middle English elleven(e), Old English ellefne, endleofan; cognate with Old High German einlif (German elf ), Old Norse ellifu, Gothic ainlib-, literally, one remaining (after counting 10). See one, leave¹