/ Dictionary / Index U unstained: Meaning and Definition of Find definitions for: un•stained Pronunciation: (un-stānd'), [key] — adj. not stained or spotted; unsoiled. without moral blemish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unstained (Thesaurus) unstainable unstalked 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