in·​fi·​nite | \ˈin-fə-nət \

Definition of infinite 

(Entry 1 of 2)

1 : extending indefinitely : endless infinite space

2 : immeasurably or inconceivably great or extensive : inexhaustible infinite patience

3 : subject to no limitation or external determination

4a : extending beyond, lying beyond, or being greater than any preassigned finite value however large infinite number of positive numbers

b : extending to infinity infinite plane surface

c : characterized by an infinite number of elements or terms an infinite set an infinite series



Definition of infinite (Entry 2 of 2)

: something that is infinite (as in extent, duration, or number)

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Other Words from infinite


infinitely adverb
infiniteness noun

Examples of infinite in a Sentence


an infinite series of numbers She has infinite patience when she's dealing with children. There seemed to be an infinite number of possibilities. an infinite variety of choices
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Recent Examples on the Web: Adjective

One of the most amusing parts of Twitter is the daily, seemingly infinite hashtag games that take place on the social media platform. Raisa Bruner, Time, "J.K. Rowling and Blondie Cleared Up a Misunderstanding Via Tweets," 10 Jan. 2018 Nonetheless, Facebook customers are plentiful, and the ways to segment them are virtually infinite. Daniel Gallant, WSJ, "How to Beat the Zuckerberg Casino," 8 July 2018 There are infinite ways to get people riled up on the internet, but one surefire tactic is to sell a weird thing for a ludicrous amount of money. Cam Wolf, GQ, "Balenciaga Is in the Business of Making Memes," 31 May 2018 The story, about an infinite library, might be seen as finding an echo in Mr. Corrêa do Lago’s own project. Jennifer Schuessler, New York Times, "Not Your Average Autograph Collection," 12 July 2018 His knees were inflamed from infinite home plate collisions. Jon Wertheim,, "Johnny Bench Is Already a Hall-of-Famer, But He's Looking For a New Distinction," 5 July 2018 What unfolded afterwards is a testament to the infinite complexity of human existence in a justice system (and media climate) that prefers the simplicity of neat narratives and black-and-white guilt. Sonia Saraiya, HWD, "Review: Whether Old or New, The Staircase Offers No Easy Answers," 8 June 2018 Yes, the infinite refills of sweet tea with crushed ice and banana pudding in a to-go Styrofoam cup were gifts for my sweet tooth. Rembert Browne, Bon Appetit, "My Temple of Steam-Table Soul Food," 6 June 2018 Having impressed Saddam, who became president in 1979, with their seemingly infinite skills, Iraqi government scientists were relentlessly exploited as vehicles for the dictator’s maniacal ambitions. Peter Schwartzstein, Smithsonian, "How Saddam and ISIS Killed Iraqi Science," 30 May 2018

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

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First Known Use of infinite


14th century, in the meaning defined at sense 1


15th century, in the meaning defined above

History and Etymology for infinite


Middle English infynyt, borrowed from Anglo-French & Latin; Anglo-French infinit, borrowed from Latin infīnītus "indefinite, having no limit, endless," from in- in- entry 1 + fīnītus "specific, definite, having bounds or limits" — more at finite

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Statistics for infinite

Last Updated

30 Oct 2018

Look-up Popularity

Time Traveler for infinite

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

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English Language Learners Definition of infinite

: having no limits

: extremely large or great


in·​fi·​nite | \ˈin-fə-nət \

Kids Definition of infinite

1 : having no limits of any kind the infinite universe

2 : seeming to be without limits She took infinite care when handling chemicals.

Other Words from infinite

infinitely adverb He is infinitely patient.

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More from Merriam-Webster on infinite

Thesaurus: All synonyms and antonyms for infinite

Spanish Central: Translation of infinite

Nglish: Translation of infinite for Spanish Speakers

Britannica English: Translation of infinite for Arabic Speakers

Comments on infinite

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


to express warning or disapproval

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