s, a, o, e, f, n, c, i, u are letters that make 'inefficaciousness'
efficaciousness, CIO, IC, AC, FICA, IOU, Ci, eff, USN, SS, efficacious, inefficacious, ic, ci, in, US, CA, IN, NE, ness, Io, Ac, Ca, Es, In, Ne, Sn are words within 'inefficaciousness'
1 possible definitions for 'inefficaciousness'
Under this definition, inefficaciousness is a noun and has the following properties:
inefficacy has the same meaning as inefficaciousness
efficacy, efficaciousness have the opposite meaning of 'inefficaciousness'
'inefficaciousness' can be a type of ineffectiveness, ineffectualness, ineffectuality.
inefficacious is a derivative of inefficaciousness.