infinite
Americanadjective
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immeasurably great.
an infinite capacity for forgiveness.
- Synonyms:
- tremendous, immense, enormous
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indefinitely or exceedingly great.
infinite sums of money.
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unlimited or unmeasurable in extent of space, duration of time, etc..
the infinite nature of outer space.
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unbounded or unlimited; boundless; endless.
God's infinite mercy.
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Mathematics.
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not finite.
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(of a set) having elements that can be put into one-to-one correspondence with a subset that is not the given set.
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noun
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infinites
plural
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something that is infinite.
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Mathematics. an infinite quantity or magnitude.
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the boundless regions of space.
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the Infinite (Being), God.
adjective
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having no limits or boundaries in time, space, extent, or magnitude
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( as noun; preceded by the )
the infinite
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extremely or immeasurably great or numerous
infinite wealth
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all-embracing, absolute, or total
God's infinite wisdom
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maths
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having an unlimited number of digits, factors, terms, members, etc
an infinite series
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(of a set) able to be put in a one-to-one correspondence with part of itself
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(of an integral) having infinity as one or both limits of integration Compare finite
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Relating to a set that can be put into a one-to-one correspondence with some proper subset of its own members.
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Relating to or being a numerical quantity describing the size of such a set.
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Being without an upper or lower numerical bound.
Other Word Forms
Derived Forms
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infinitenessnoun
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noninfinitenessnoun
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superinfinitenessnoun
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uninfinitenessnoun
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noninfiniteadjective
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quasi-infiniteadjective
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superinfiniteadjective
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uninfiniteadjective
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infinitelyadverb
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noninfinitelyadverb
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quasi-infinitelyadverb
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superinfinitelyadverb
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uninfinitelyadverb
Inflected Forms
Nouns
Etymology
Origin of infinite
First recorded in 1350–1400; Middle English, from Latin infīnītus “boundless, endless”; equivalent to in- 3 + finite
Explanation
Infinite describes things that are endless, like the universe, or your uncle's corny jokes. Finite means "relating to something with an end," and when you add the prefix in-, meaning "not," you get infinite: having to do with something that never, ever ends. If someone has read every single book about pyramids, you might say he has an infinite knowledge of ancient Egyptian culture, even though that's an exaggeration. Surely he'll stop talking about them at some point...right?
Vocabulary lists containing infinite
Pi Day Vocabulary
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"The Great Gatsby," Chapter 1 Vocabulary
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The Balcony Scene from "Romeo and Juliet"
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
That we see the group start scared for their lives, and then watch as they embrace their place in the infinite agony to the point that it becomes comical, is remarkable.
From Salon ● Aug. 24, 2026
The car turns onto a dark road that, to the youngsters’ growing unease, appears to stretch on forever through an infinite forest.
From Los Angeles Times ● Aug. 19, 2026
Not only are the states seeking upwards of $1 trillion, external from Meta, they are demanding it make changes to Instagram and Facebook, including ending "like" counts and infinite scroll.
From BBC ● Aug. 16, 2026
In his ruling, New Mexico Judge Bryan Biedscheid also noted that teenagers are particularly susceptible to features that are designed to boost engagement such as autoplay, infinite scrolling, like counts, push notifications and algorithmic recommendations.
From Barron's ● Aug. 7, 2026
Nicholas was sure that God had, indeed, created an infinite number of other worlds.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
I plainly did confesse awhile agone That be it what it will that’s infinite More infinites will follow thereupon, But that all infinites do justly fit And equall be, my reason did not yet admit.
From Democritus Platonissans by Henry More
Eternity precedes us, eternity follows us: between two infinites, of what account is one poor mortal that the century should inquire about him?
From What is Property? by P.-J. (Pierre-Joseph) Proudhon
Be this as it will, it is by the help of this geometry of infinites that Sir Isaac Newton attained to the most sublime discoveries.
From Letters on England by Voltaire
There is an aesthetic infinite, or many aesthetic infinites, composed of all the forms which nature or imagination might exhibit; and where imagination fails, there are infinite remainders of the unimagined.
From Some Turns of Thought in Modern Philosophy Five Essays by George Santayana
True, mathematical infinites are in some respects different from metaphysical infinites; but it is the former that belong to this argument, since the supposed infinite succession of organic beings forms a mathematical series.
From The Religion of Geology and Its Connected Sciences by Edward Hitchcock
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
