Inefficaciousness
The Century Dictionary and Cyclopedia
noun.
The character or quality of being inefficacious; lack of effect, or of power to produce the desired effect.
the GNU version of the Collaborative International Dictionary of English
noun.
Lack of effect, or of power to produce the effect; inefficacy.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Lack of
efficacy
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a lack of efficacy
Word Usage
"But his character’s good intentions, doomed idealism and inefficaciousness suit him well."
Hypernym
Words that are more generic or abstract
ineffectiveness
ineffectuality
ineffectualness
Synonym
Words with the same meaning
inefficacy