/ Dictionary / Index I inessential: Meaning and Definition of Find definitions for: in•es•sen•tial Pronunciation: (in"i-sen'shul), [key] — adj. not essential; not necessary; nonessential. without essence; insubstantial. —n. that which is not essential. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inessential (Thesaurus) in esse* inessive Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language