/ Dictionary / Index O optative: Meaning and Definition of Find definitions for: op•ta•tive Pronunciation: (op'tu-tiv), [key] — Gram. Gram. —adj. designating or pertaining to a verb mood, as in Greek, that has among its functions the expression of a wish, as Greek íoimen “may we go, we wish we might go.” —n. the optative mood. a verb in the optative mood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: optative (Thesaurus) opt optic Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language