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)

Keep scrolling for more

Other Words from infinite


infiniteness noun

Examples of infinite in a Sentence

Adjective 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
See More
Recent Examples on the Web: Adjective Luckily, for Amazon Prime members, Amazon's Kindle devices are instant portals to near-infinite adventures, and there are several on sale for Amazon Prime Day. Ryan Waniata, USA TODAY, "The best deals on Amazon Kindles for Prime Day 2020," 14 Oct. 2020 Yet as firm as the rules are, there was room for infinite variation on those familiar themes. Will Friedwald, WSJ, "Bugs Bunny Is Still Making Mischief," 13 Oct. 2020 This is the mechanism of the clickable documentary complex—an infinite cycle of shock and comfort, of reveling in horror and promptly wiping your memory clean of it. Elizabeth Pankova, The New Republic, "The Social Dilemma and the Rise of the Clickbait Documentary," 8 Oct. 2020 An infinite set of solutions is also known for n = 2. Jean-paul Delahaye, Scientific American, "For Math Fans: A Hitchhiker’s Guide to the Number 42," 21 Sep. 2020 And so on, the algorithm offering infinite points of entry for the curious, the lonely, those who feel fooled or angry. Talia Lavin, The New Republic, "QAnon, Blood Libel, and the Satanic Panic," 29 Sep. 2020 The solution was to move the herds in the summer to where the grass matures early and is infinite. Jennie Tiderman-Österberg, Smithsonian Magazine, "Why Sweden’s Ancient Tradition of Calling Home the Herds Is Women’s Work," 28 Sep. 2020 Every day brings us to a new sky, field, or body of water that feels infinite and hopeful. Dana Haim, Vogue, "Why We Moved into an Airstream to Drive Across America in 2020," 26 Sep. 2020 At a capitalization rate of zero, the present value of a penny a year is infinite. WSJ, "Stock Valuation Tool Loses Accuracy at Very Low Rates," 22 Sep. 2020 Recent Examples on the Web: Noun Eubanks, at 28-years-old, the oldest player in the league, doesn’t have infinite tries left. Sean Collins, Dallas News, "Clayster has lost more than most, and that’s why he could become one of the winningest ever as the Empire chase a CDL world title," 21 Aug. 2020 If your numbers are plentiful enough to make this sum infinite, Erdős conjectured that your list should contain infinitely many arithmetic progressions of every finite length — triples, quadruples and so forth. Quanta Magazine, "Landmark Math Proof Clears Hurdle in Top Erdős Conjecture," 3 Aug. 2020 The series of conditions that would avoid an infinite, well, suckage past dual event horizons involves an escalating series of impossibilities based on the idea that general relativity basically doesn’t apply at all. Caroline Delbert, Popular Mechanics, "If Wormholes Are Actually Going to Work, They'll Need to Look Weird," 23 June 2020 An infinite while ago, in the Before Times, Square had a disagreement with its hometown of San Francisco over taxation. Owen Thomas,, "Square and SF draw close to settling dispute. The city’s business taxes still need a redo," 3 June 2020

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.

See More

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

Keep scrolling for more

Learn More about infinite

Time Traveler for infinite

Time Traveler

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

See more words from the same century

Statistics for infinite

Last Updated

21 Oct 2020

Cite this Entry

“Infinite.” Dictionary, Merriam-Webster, Accessed 25 Oct. 2020.

Keep scrolling for more

More Definitions for infinite


How to pronounce infinite (audio)

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.

Keep scrolling for more

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).


Test Your Vocabulary

Namesakes Word Quiz

  • a citrus fruit possibly named after a person
  • Which of the following is a fruit named after a Moroccan seaport?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

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!