/ Dictionary / Index I inroad: Meaning and Definition of Find definitions for: in•road Pronunciation: (in'rōd"), [key] — n. a damaging or serious encroachment: inroads on our savings. a sudden hostile or predatory incursion; raid; foray. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inroad (Thesaurus) inro inrush 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