Unproductive (adjective)

1. Not producing or yielding a positive result, gain, or advantage.
2. Not contributing to growth or progress.
3. Not producing or able to produce crops, fruit, or other useful substances.
4. Not characterized by creativity or efficient use of time.

Origin:

Mid 17th century: from un- (expressing negation) + productive.

Examples:

1. The company's unproductive practices led to its downfall.
2. The unproductive use of resources is a major concern in many countries.
3. The unproductive land was sold to developers.
4. The manager's unproductive behavior was a source of frustration for her team.
5. The unproductive meeting lasted for hours and achieved nothing.