/ Dictionary / Index O obstruent: Meaning and Definition of Find definitions for: ob•stru•ent Pronunciation: (ob'str-unt), [key] — adj. (of a substance) producing an obstruction. (of a speech sound) characterized by stoppage or obstruction of the flow of air from the lungs. Cf. —n. a medicine that closes the natural passages of the body. an obstruent speech sound; a stop, fricative, or affricate. Cf.(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: obstruent (Thesaurus) obstructionist obtain Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language