Synonyms: ineffective, inefficient
Definition: lacking the ability or skill to perform effectively; inadequate
Usage: an ineffective administration; inefficient workers
Similar words: incompetent
Definition: not qualified or suited for a purpose
Usage: an incompetent secret service; the filming was hopeless incompetent
Synonyms: inefficient
Definition: not producing desired results; wasteful
Usage: an inefficient campaign against drugs; outdated and inefficient design and methods
Similar words: uneconomical, wasteful
Definition: inefficient in use of time and effort and materials
Usage: a clumsy and wasteful process; wasteful duplication of effort; uneconomical ebb and flow of power