Adjective: ineffectual ,i-ni'fek-choo-ul
- Not producing an intended effect
"Their ineffectual attempts at reform achieved nothing";
- ineffective, uneffective
- Producing no result or effect
"the therapy was ineffectual";
- futile, otiose, unavailing, meaningless
- Lacking in power or forcefulness
"an ineffectual ruler";
- ineffective, unable, effete, pathetic, useless [informal], wet [Brit, informal]
See also: effectiveness, effectivity, effectuality, effectualness, idle, impotent, inefficacious, inefficient, powerless, toothless, unproductive, useless