Adjective: ineffective ,i-ni'fek-tiv
- Not producing an intended effect
"an ineffective teacher"; "ineffective legislation";
- uneffective, ineffectual
- Lacking in power or forcefulness
"an ineffective ruler";
- ineffectual, unable, effete, pathetic, useless [informal], wet [Brit, informal]
- Lacking the ability or skill to perform effectively; inadequate
"an ineffective administration";
- inefficient
See also: effectiveness, effectivity, effectuality, effectualness, idle, impotent, incompetent, inefficacious, inefficient, powerless, toothless, unproductive, useless
Antonym: effective