inefficient
adjectiveNot efficient, as.
adjectiveLacking the ability or skill to perform effectively; incompetent.
adjectiveNot producing the intended result; ineffective.
adjectiveWasteful of time, energy, or materials.
Not efficient; not producing or not capable of producing the desired effect; incapable; incompetent; inadequate: as, inefficient measures; an inefficient police.
adjectiveNot efficient; not producing the effect intended or desired, or achieiving the effect by unnnecessary and excessive expenditure of resources; inefficacious.
adjectiveIncapable of, or indisposed to, effective action; habitually slack or remiss; effecting little or nothing
adjectiveNot
lacking the ability or skill to perform effectively; inadequate