Source : Webster's Revised Unabridged Dictionary (1913)

Ineffectualness \In`ef*fec"tu*al*ness\, n.
   Want of effect, or of power to produce it; inefficacy.

         The ineffectualness of some men's devotion. --Wake.

Source : WordNet®

ineffectualness
     n : lacking the power to be effective [syn: {ineffectiveness}, {ineffectuality}]
         [ant: {effectiveness}]