/ Dictionary / Index O overarching: Meaning and Definition of Find definitions for: o•ver•arch•ing Pronunciation: (ō"vur-är'ching), [key] — adj. forming an arch above: great trees with overarching branches. encompassing or overshadowing everything: The community's overarching needs are more jobs and better housing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overarching (Thesaurus) overarch overarm Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language