Thirteen Definition

thûr-tēn
noun
The cardinal number between twelve and fourteen; 13; XIII.
Webster's New World
The 13th in a set or sequence.
American Heritage
Something having 13 parts, units, or members.
American Heritage
Synonyms:
adjective
Totaling three more than ten.
Webster's New World
Synonyms:

Other Word Forms of Thirteen

Noun

Singular:
thirteen
Plural:
thirteens

Origin of Thirteen

  • Middle English thyrtene alteration of thrittene from Old English thrēotīne trei- in Indo-European roots

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

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thirteen