The man was inefficient at performing his mandatory task.
inefficient
The management decide to improve the inefficient elements of their factory to help improve production.
Answering this question is an inefficient use of my time. -or- Because the young girl was so lazy, her system was at most inefficient, while at least detrimental to those around her.
The sentence contains a metaphor. The comparison of the regiment to a machine conveys the idea that it is worn out and inefficient.
The thermal energy output of the new engine was inefficient, as the thermometer quickly demonstrated.
Uneconomical, wasteful or inefficient.
Barter is an inefficient means of exchange because
Handles work in passive, inefficient way
inefficient
He chastised his partner of being inefficient in doing all the work. This is an example using the word chastise.
EFFICIENT
The Horribly Slow Murderer with the Extremely Inefficient Weapon was created in 2008.