/ Dictionary / Index C cacoëthes: Meaning and Definition of Find definitions for: cac•o•ë•thes Pronunciation: (kak"ō-ē'thēz), [key] — n. an irresistible urge; mania. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cacoethes (Thesaurus) cacodylic acid cacogenics Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language