unhelpful
adj. B1 Intermediate US //ənˈhɛɫpfəɫ// UK //ʌnhˈɛlpfəl// un·help·ful
adj. not useful or not giving the right information. You use this to describe someone who does not want to help you or a piece of advice that makes a situation worse.
adj. not useful, effective, or beneficial; failing to provide the necessary assistance or information. Often used to describe interpersonal behavior or the quality of advice.
His unhelpful comments made the situation much worse.
The customer service representative gave some unhelpful advice that did not solve my technical problem at all.
While the initial proposal seemed promising, the subsequent unhelpful feedback from the board prevented the project from moving forward, leading to a significant delay in the launch.