/ Dictionary / Index U unbelieving: Meaning and Definition of Find definitions for: un•be•liev•ing Pronunciation: (un"bi-lē'ving), [key] — adj. not believing; skeptical. not accepting any, or some particular, religious belief. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unbelieving (Thesaurus) unbeliever unbelt Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language