essentiality essentialist • essentialize · · · Info · Definitions · Synonyms · Antonyms · Characters · · essentiality · · Text Latin · · Script 12 · · Length Definitions · · · (noun) basic importance. Synonyms: essentialness. · · Noun Definition 1 Synonyms · · · essentialness · · Synonym 1 Antonyms · · · inessentiality · · Antonym 0 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079