Adjective

• S: (adj) ineffective, uneffective, ineffectual (not producing an intended effect) "an ineffective teacher"; "ineffective legislation"
• S: (adj) ineffective, ineffectual, unable (lacking in power or forcefulness) "an ineffectual ruler"; "like an unable phoenix in hot ashes"
• S: (adj) ineffective, inefficient (lacking the ability or skill to perform effectively; inadequate) "an ineffective administration"; "inefficient workers"