in·​fi·​nite | \ ˈin-fə-nət How to pronounce infinite (audio) \

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

Grief, as everyone who has walked the Earth knows, is infinite. Los Angeles Times, "Escapes: Shed the travel blinders and find the unexpected U.S.," 8 Aug. 2019 The highball, which has its roots firmly planted in America, is a simple mix of whisky, soda water and ice, but its combinations are infinite. Dallas News, "In the watering holes of Tokyo, the highball reigns supreme," 6 Aug. 2019 Snowpiercer takes place seven years in the future when humanity, in our infinite wisdom, has attempted to cure climate change but has instead plunged the earth back into an Ice Age. Nick Romano,, "Watch TBS' Snowpiercer cast and creator eat their show's cricket bars," 20 July 2019 Epps reflects on the gift (and curse) of raising four daughters, overcoming childhood dyslexia and the mysterious infinite wisdom of old people. Chuck Barney, Detroit Free Press, "TV highlights for the week of June 23-29," 21 June 2019 Getting to do life with you is an infinite sea of bliss. Martha Ross, The Mercury News, "Ayesha and Stephen Curry proclaim their ‘forever’ love to celebrate 8th anniversary," 1 Aug. 2019 Getting to do life with you is an infinite sea of bliss. Dave Quinn,, "Steph and Ayesha Curry Celebrate 'Ups and Downs' in Loving Messages on 8th Wedding Anniversary," 1 Aug. 2019 The Social Media Addiction Reduction Technology Act suggests banning features such as autoplay, badges for engagement, and infinite scroll. Matthew De Silva, Quartz, "Why Senator Josh Hawley wants to kill your Snapstreak," 30 July 2019 To break up the Poincaré group of symmetries into the separate parts of the Galilean group, just pretend that the speed of light (denoted c) is infinite, meaning there’s no speed limit in the universe. Quanta Magazine, "How (Relatively) Simple Symmetries Underlie Our Expanding Universe," 21 July 2019

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

4 Sep 2019

Look-up Popularity

Time Traveler for infinite

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

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More Definitions for infinite



English Language Learners Definition of infinite

: having no limits
: extremely large or great


in·​fi·​nite | \ ˈin-fə-nət How to pronounce infinite (audio) \

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).


one from the Upper Peninsula of Michigan

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