/ Dictionary / Index U unbounded: Meaning and Definition of Find definitions for: un•bound•ed Pronunciation: (un-boun'did), [key] — adj. having no limits, borders, or bounds. unrestrained; uncontrolled: unbounded enthusiasm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unbounded (Thesaurus) unbound unbowed Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language