/ Dictionary / Index U uncase: Meaning and Definition of Find definitions for: un•case Pronunciation: (un-kās'), [key] — -cased, -cas•ing. to remove from a case; remove the case from. to remove the cover from; put on view. to make known; reveal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: uncase (Thesaurus) Uncas uncaused Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language