inefficaciousness

English Thesaurus

1. a lack of efficacy (noun.attribute)

hypernym	:	ineffectiveness, ineffectuality, ineffectualness,
definition	:	lacking the power to be effective (noun.attribute)

antonym	:	efficaciousness, efficacy,
definition	:	capacity or power to produce a desired effect (noun.attribute)

derivation	:	inefficacious,
definition	:	lacking the power to produce a desired effect (adj.all)

antonym	:	efficaciousness, efficacy,
definition	:	capacity or power to produce a desired effect (noun.attribute)

derivation	:	inefficacious,
definition	:	lacking the power to produce a desired effect (adj.all)