/ Dictionary / Index A adjunction: Meaning and Definition of Find definitions for: ad•junc•tion Pronunciation: (u-jungk'shun), [key] — n. addition of an adjunct. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adjunction (Thesaurus) adjunct adjunctive Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language