Definition of essentialness in US English:

essentialness

noun

  • See essential

    • ‘Much has been said about the connection between his search for geographical belonging and his quest for essentialness in his poetry.’
    • ‘The minute tinkerings with curriculum that characterize most reforms in English departments do not convince administrators of the vitality of our field and its essentialness to the world of our students.’
    • ‘To believe that its catalog is merely a backward extension of Farrar's solo career is to sorely underestimate the essentialness of the three other musicians who made up the band.’