/ Dictionary / Index A adherence: Meaning and Definition of Find definitions for: ad•her•ence Pronunciation: (ad-hēr'uns, -her'-), [key] — n. the quality of adhering; steady devotion, support, allegiance, or attachment: adherence to a party; rigid adherence to rules. the act or state of adhering; adhesion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adherence (Thesaurus) adhere adherend Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language