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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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
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.
EW&F is emblematic of Black identity, uplifting Black joy through a message of infinite possibility and affirmation, “feeding into little souls like mine,” says Michelle Obama.
From Salon • Jun. 7, 2026
She says they were pitched as giving single people "access to a virtually infinite pool of strangers" and sparing them "from the possibility of rejection".
From BBC • Jun. 4, 2026
West Coasters who want to understand what they’re voting for have infinite resources to turn to, some more useful than others.
From Los Angeles Times • Jun. 1, 2026
And even in a hot market, there isn’t an infinite amount of money to go around.
From The Wall Street Journal • Jun. 1, 2026
They came together and fell apart, connecting and disconnecting to form an infinite number of shapes.
From "Beasts of Prey" by Ayana Gray
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.
