1The unhelpful attitude of the customer service representative made the situation even more frustrating.
2Was the instruction manual unhelpful in resolving the technical issue?
3The lack of clear guidelines from management resulted in unhelpful decisions being made by middle management.
4Avoid providing unhelpful criticism that focuses solely on the negative aspects of someone's work.
5There is a growing concern that the new policy will be unhelpful in addressing the root causes of the problem.