/ Dictionary / Index A adessive: Meaning and Definition of Find definitions for: ad•es•sive Pronunciation: (ad-es'iv), [key] — Gram. Gram. —adj. locative. —n. the locative case. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. -ades ad eundem gradum Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language