Adjective
1. not sufficient to produce a desired result;
"an ineffectual effort to block the legislation"2. not producing an intended effect;
"an ineffective teacher""ineffective legislation"3. producing no result or effect;
"a futile effort""the therapy was ineffectual""an otiose undertaking""an unavailing attempt"4. lacking in power or forcefulness;
"an ineffectual ruler""like an unable phoenix in hot ashes"