/ Dictionary / Index I interagency: Meaning and Definition of Find definitions for: in•ter•a•gen•cy Pronunciation: (in"tur-ā'jun-sē, in'-), [key] — adj. made up of, involving, or representing two or more government agencies: interagency cooperation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interactive fiction inter alia* Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language