inefficient
Pronunciation:
/ɪnɪˈfɪʃənt/noun
Definitions
A person who cannot or does not work efficiently.
adjective
Definitions
Not efficient; not producing the effect intended or desired; inefficacious
Example: Celery is an inefficient food.
Incapable of, or indisposed to, effective action; habitually slack or unproductive; effecting little or nothing
Example: Jessica was terribly inefficient at cleaning, so her brother usually had to clean the whole room.