/ Dictionary / Index O oecumenical: Meaning and Definition of Find definitions for: oec•u•men•i•cal Pronunciation: (ek"yoo-men'i-kul or, esp. Brit., ē"kyoo-), [key] — adj. ecumenical. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oecumenical (Thesaurus) OECD oecus Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language