/ Dictionary / Index I incoherency: Meaning and Definition of Find definitions for: in•co•her•en•cy Pronunciation: (in"kō-hēr'un-sē, -her'-), [key] — pl. -cies. incoherence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: incoherency (Thesaurus) incoherence incoherent Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language