/ Dictionary / Index G glutethimide: Meaning and Definition of Find definitions for: glu•teth•i•mide Pronunciation: (gl-teth'u-mīd"), [key] — n. Pharm. a white, crystalline, water-insoluble powder, CHNO, used as a hypnotic and sedative. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: glutethimide (Thesaurus) glutes gluteus Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language