/ Dictionary / Index A amethyst: Meaning and Definition of Find definitions for: am•e•thyst Pronunciation: (am'u-thist), [key] — n. a purple or violet quartz, used as a gem. a purplish tint. —adj. having the color of amethyst. containing or set with an amethyst or amethysts: an amethyst brooch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amethyst (Thesaurus) ametabolic ametropia Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language