Nonperforming (adjective)

Not carrying out an action or task as expected or required.

Origin:

Derived from non- (meaning 'not') and performing (meaning 'carrying out an action or task').

Examples:

1. The nonperforming employees were given a warning.
2. The nonperforming students were asked to repeat the course.
3. The nonperforming team was replaced by a better one.
4. The nonperforming asset was sold off at a loss.
5. The nonperforming loan was written off as a bad debt.