/ Dictionary / Index C consanguineous: Meaning and Definition of Find definitions for: con•san•guin•e•ous Pronunciation: (kon"sang-gwin'ē-us), [key] — adj. having the same ancestry or descent; related by blood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: consanguineous (Thesaurus) Cons. consanguinity Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language