/ Dictionary / Index O obstreperous: Meaning and Definition of Find definitions for: ob•strep•er•ous Pronunciation: (ub-strep'ur-us), [key] — adj. resisting control or restraint in a difficult manner; unruly. noisy, clamorous, or boisterous: obstreperous children. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: obstreperous (Thesaurus) obstipation obstruct Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language