fif·​teen ˌfif-ˈtēn How to pronounce fifteen (audio)
: a number that is one more than fourteen see Table of Numbers
: the first point scored by a side in a game of tennis

called also five

fifteen adjective
fifteen pronoun, plural in construction
ˌfif-ˈtēn(t)th How to pronounce fifteen (audio)
adjective or noun

Examples of fifteen in a Sentence

Recent Examples on the Web In the end, Roosevelt had sent fifteen major proposals to Capitol Hill and all fifteen sailed through. Kevin M. Kruse, Esquire, 27 Apr. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fifteen.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Middle English fiftene, adjective, from Old English fīftēne, from fīf five + -tīene (akin to Old English tīen ten) — more at five, ten

First Known Use

before the 12th century, in the meaning defined at sense 1

Time Traveler
The first known use of fifteen was before the 12th century

Dictionary Entries Near fifteen

Cite this Entry

“Fifteen.” Dictionary, Merriam-Webster, Accessed 26 Sep. 2023.

Kids Definition


fif·​teen (ˈ)fif-ˈtēn How to pronounce fifteen (audio)
: a number that is one more than fourteen see number
fifteen adjective or pronoun
fifteenth adjective or noun

More from Merriam-Webster on fifteen

Love words? Need even more definitions?

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