/ Dictionary / Index O O'Hara: Meaning and Definition of Find definitions for: O'Har•a Pronunciation: (ō-hâr'u, ō-har'u), [key] 1905–70, U.S. journalist, novelist, short-story writer, and scenarist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: o'hara (Thesaurus) oh O'Hare 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