Breadcrumb Home > Dictionary > Index C contumacious: Meaning and Definition of Find definitions for: con•tu•ma•cious Pronunciation: (kon"too-mā'shus, -tyoo-), [key] — adj. stubbornly perverse or rebellious; willfully and obstinately disobedient. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: contumacious (Thesaurus) controvert contumacy ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language