What does "thirteen" mean?

the cardinal number that is the sum of twelve and one

What is a synonym for "thirteen"?

Common synonyms include: 13, 13, baker's dozen, baker's dozen, baker’s dozen, boxcars.

How do you pronounce "thirteen"?

Pronounced //ˌθɜːˈtiːn//.

Thirteen

//ˌθɜːˈtiːn// num

num ·Uncommon ·Advanced level

Definitions

Noun

1
the cardinal number that is the sum of twelve and one wordnet

Adjective

1
being one more than twelve wordnet

Numeral

1
The cardinal number occurring after twelve and before fourteen: ten and three.
"There are thirteen cards of each of the four suits in a deck of playing cards."

Synonyms

All synonyms

13 13 baker's dozen baker's dozen baker’s dozen boxcars

Example

More examples

"A time bomb went off in the airport killing thirteen people."

Etymology

From Middle English thirttene, variant (through metathesis) of thrittene, from Old English þrēotīene, from Proto-Germanic *þritehun, compound of *þrīz (“three”) + *tehun (“teen”). Cognate with West Frisian trettjin, Dutch dertien, German dreizehn, Danish tretten. Equivalent to three + -teen.

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