adj. 1. Having no boundaries or limits; impossible to measure or calculate. See Synonyms at incalculable. 2. Immeasurably great or large; boundless: infinite patience; a discovery of infinite importance. 3. Mathematics a. Existing beyond or being greater than any arbitrarily large value. b. Unlimited in spatial extent: a line of infinite length. c. Of or relating to a set capable of being put into one-to-one correspondence with a proper subset of itself. n. Something infinite. [Middle English infinit, from Old French, from Latin īnfīnītus : in-, not; see IN-1 + fīnītus, finite, from past participle of fīnīre, to limit; see FINITE.] infi·nite·ly adv. infi·nite·ness n. |
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