资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ineffectuality \In`ef*fec`tu*al"i*ty\, n.
   Ineffectualness. [R.]

资料来源 : WordNet®

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