infinitely

adverb

in·​fi·​nite·​ly ˈin-fə-nət-lē How to pronounce infinitely (audio)
: to an infinite or seemingly infinite extent or degree
an infinitely large number
It is clear that when an infinite number of positive quantities are added, the result will be infinitely large unless the quantities diminish in size to zero.Dan Kalman
… we know that the world is infinitely more complicated than the child thinks.Robert Penn Warren
… in learning about the amazing complexity of the computer, we come to appreciate the infinitely more amazing complexity of the human brain …Alex Raskin
He swivels his head almost 360 degrees, like a Japanese puppet-balloon held aloft on a stick. The face is infinitely old, infinitely wise, very catlike.Maxine Kumin

Examples of infinitely in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The difference is today’s Committee for the First Amendment has infinitely more avenues for communication in the digital age, in addition to an infinitely larger list of participants. Chris Yogerst, HollywoodReporter, 6 Oct. 2025 Our vast universe might not be infinitely expanding after all. Andrew Paul, Popular Science, 1 Oct. 2025 The web, by contrast, was free, easy to use, and, thanks to hypertext, infinitely flexible. Julian Lucas, New Yorker, 29 Sep. 2025 The researchers are providing solutions not just to the original problems, but to versions of those problems in infinitely many exotic number systems. Joseph Howlett, Quanta Magazine, 26 Sep. 2025 See All Example Sentences for infinitely

Word History

Etymology

Middle English infynytly, from infynyt infinite entry 1 + -ly -ly entry 2

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of infinitely was in the 15th century

Cite this Entry

“Infinitely.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infinitely. Accessed 7 Oct. 2025.

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