Origin of infinite

1350–1400; Middle English < Latin infīnītus boundless. See in-3, finite
Related formsin·fi·nite·ly, adverbin·fi·nite·ness, nounnon·in·fi·nite, adjective, nounnon·in·fi·nite·ly, adverbnon·in·fi·nite·ness, nounqua·si-in·fi·nite, adjectivequa·si-in·fi·nite·ly, adverbsu·per·in·fi·nite, adjectivesu·per·in·fi·nite·ly, adverbsu·per·in·fi·nite·ness, nounun·in·fi·nite, adjectiveun·in·fi·nite·ly, adverbun·in·fi·nite·ness, noun

Synonyms for infinite

Antonyms for infinite Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for infinite

Contemporary Examples of infinite

Historical Examples of infinite

  • It was only the infinite mercy of God that I didn't kill him.


    William J. Locke

  • Of the Infinite the finite mind can only catch a finite glimpse.

  • That is my chief point with regard to the Infinite—that it must be here.

  • For a race which has the infinite as its goal the word must be on and on.

  • His gaze, however, though not its direction, was still to the infinite.

    Weighed and Wanting

    George MacDonald

British Dictionary definitions for infinite



  1. having no limits or boundaries in time, space, extent, or magnitude
  2. (as noun; preceded by the)the infinite
extremely or immeasurably great or numerousinfinite wealth
all-embracing, absolute, or totalGod's infinite wisdom
  1. having an unlimited number of digits, factors, terms, members, etcan infinite series
  2. (of a set) able to be put in a one-to-one correspondence with part of itself
  3. (of an integral) having infinity as one or both limits of integrationCompare finite (def. 2)
Derived Formsinfinitely, adverbinfiniteness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for infinite

late 14c., "eternal, limitless," also "extremely great in number," from Old French infinit "endless, boundless," and directly from Latin infinitus "unbounded, unlimited," from in- "not, opposite of" (see in- (1)) + finitus "defining, definite," from finis "end" (see finish). The noun meaning "that which is infinite" is from 1580s.

Online Etymology Dictionary, © 2010 Douglas Harper

infinite in Science



Relating to a set that can be put into a one-to-one correspondence with some proper subset of its own members.
Relating to or being a numerical quantity describing the size of such a set.
Being without an upper or lower numerical bound.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.