thir·​teen | \ ˌthər(t)-ˈtēn How to pronounce thirteen (audio) , ˈthər(t)- \

Definition of thirteen

: a number that is one more than 12 — see Table of Numbers

Keep scrolling for more

Other Words from thirteen

thirteen adjective
thirteen pronoun, plural in construction
thirteenth \ ˌthər(t)-​ˈtēn(t)th How to pronounce thirteenth (audio) , ˈthər(t)-​ˌtēn(t)th \ adjective or noun

Examples of thirteen in a Sentence

Recent Examples on the Web View this post on Instagram The thirteens really jumped out. Emily Dixon, Marie Claire, "Taylor Swift Talked Making Mistakes, Equal Pay, and Her Next Single in Her Teen Choice Awards Speech," 12 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thirteen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of thirteen

14th century, in the meaning defined above

History and Etymology for thirteen

Middle English thrittene, from thrittene, adjective, from Old English thrēotīne; akin to Old English tīen ten — more at ten

Keep scrolling for more

Learn More about thirteen

Time Traveler for thirteen

Time Traveler

The first known use of thirteen was in the 14th century

See more words from the same century

Statistics for thirteen

Cite this Entry

“Thirteen.” Dictionary, Merriam-Webster, Accessed 24 Sep. 2020.

Keep scrolling for more

More Definitions for thirteen


How to pronounce thirteen (audio)

English Language Learners Definition of thirteen

: the number 13


thir·​teen | \ ˌthər-ˈtēn How to pronounce thirteen (audio) \

Kids Definition of thirteen

 (Entry 1 of 2)

: being one more than twelve



Kids Definition of thirteen (Entry 2 of 2)

: one more than twelve : 13

More from Merriam-Webster on thirteen

Nglish: Translation of thirteen for Spanish Speakers

Britannica English: Translation of thirteen for Arabic Speakers

Comments on thirteen

What made you want to look up thirteen? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!