adjadj.allnot producing an intended effectAttributes:effectiveness effectivity effectuality effectualness
Synset:ineffective uneffective
Examples:- an ineffective teacher
- ineffective legislation
Antonyms:effective
Derivationally Related Form:ineffectivenessineffectualityineffectualness
Inherited Hypernyms:ineffective
Similar to:toothless unproductive
See also:idle inefficacious inefficient powerless useless
adj satadj.allproducing no result or effectSynset:futile meaningless otiose unavailing
Examples:- a futile effort
- the therapy was ineffectual
- an otiose undertaking
- an unavailing attempt
Antonyms:useful
Derivationally Related Form:ineffectualityineffectualnessfutility
Inherited Hypernyms:futile
Similar to:useless
adj satadj.alllacking in power or forcefulnessSynset:ineffective unable
Examples:- an ineffectual ruler
- like an unable phoenix in hot ashes
Antonyms:potent
Derivationally Related Form:ineffectivenessineffectualityineffectualness
Inherited Hypernyms:ineffective
Similar to:impotent