/ Dictionary / Index E essentiality: Meaning and Definition of Find definitions for: es•sen•ti•al•i•ty Pronunciation: (u-sen"shē-al'i-tē), [key] — pl. -ties the quality of being essential; essential character. an essential feature, element, or point. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: essentiality (Thesaurus) essentialism essentialize Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language