ineffective (
http://definr.com/ineffective)
adj 1: not producing an intended effect; "an ineffective teacher";
"ineffective legislation" [syn:
uneffective,
ineffectual]
[ant:
effective]
2: lacking in power or forcefulness; "an ineffectual ruler";
"like an unable phoenix in hot ashes" [syn:
ineffectual,
unable]
3: lacking the ability or skill to perform effectively;
inadequate; "an ineffective administration"; "inefficient
workers" [syn:
inefficient]