inefficient

Definition of inefficient in English English dictionary: Not efficient; not producing the effect intended or desired; inefficacious; as, inefficient means or measures
Celery is an inefficient food.; Incapable of, or indisposed to, effective action; habitually slack or remiss; effecting little or nothing; as, inefficient workers; an inefficient administrator
Jessica was terribly inefficient at cleaning, so her brother usually had to clean the whole room.; not accomplishing an intended purpose; Incapable of or indisposed to, effective action; habitually slack or remiss; effecting little or nothing; as, inefficient workers; an inefficient administrator; not producing desired results; wasteful; "an inefficient campaign against drugs"; "outdated and inefficient design and methods"; not producing desired results; wasteful; "an inefficient campaign against drugs"; "outdated and inefficient design and methods; lacking the ability or skill to perform effectively; inadequate; "an ineffective administration"; "inefficient workers"; {s} not producing the intended effect, wasteful of time or energy; Incapable of, or indisposed to, effective action; habitually slack or remiss; effecting little or nothing; as, inefficient workmen; an inefficient administrator; Inefficient people, organizations, systems, or machines do not use time, energy, or other resources in the best way. Their communication systems are inefficient in the extreme. efficient + inefficiency inefficiencies in·ef·fi·cien·cy the inefficiency of the distribution system. + inefficiently in·ef·fi·cient·ly Energy prices have been kept low, so energy is used inefficiently. not using time, money, energy etc in the best way efficient
ınefficient: {a} not powerful, not effectual
inefficiently: in an inefficient manner; "he dealt inefficiently with the crisis
inefficiently: In an inefficient manner
inefficiently: in a manner which wastes time or energy; in a manner which does not produce the desired results