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

British Dictionary definitions for quasi-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 quasi-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

quasi-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.