Counterproductive (adjective)

1. Having the opposite effect to what was intended or desired.
2. Having an effect that is opposite to the desired result or outcome.
3. Having a result or outcome that is opposite to what was intended or expected.
4. Having a negative effect on the intended purpose or objective.
5. Having a negative impact on the progress or success of a goal or plan.

Origin:

From the latin contra + productus, meaning 'having an opposite effect'.

Examples:

1. The new policy was deemed counterproductive and was quickly reversed.
2. The company's decision to cut staff was seen as counterproductive, as it resulted in a drop in productivity.
3. The new rules were intended to improve safety, but instead proved to be counterproductive.
4. The team's decision to change the strategy was criticized as being counterproductive.
5. The government's efforts to reduce crime were seen as counterproductive, as the crime rate actually increased.