1. (

• ineffective ,
• uneffective ,
• ineffectual ,

) not producing an intended effect; "an ineffective teacher"; "ineffective legislation" ;

2. (

• ineffective ,
• ineffectual ,
• unable

) lacking in power or forcefulness; "an ineffectual ruler"; "like an unable phoenix in hot ashes" ;

3. (

• ineffective ,
• inefficient

) lacking the ability or skill to perform effectively; inadequate; "an ineffective administration"; "inefficient workers" ;