questionable

adjective
1
that you have doubts about because you think it is not accurate or correct
مشکوک, قابل‌تردید, مورد سوال, شبهه‌انگیز, قابل‌بحث, سوال‌برانگیز
synonym debatable
2
likely to be dishonest or morally wrong
مشکوک, شبهه‌برانگیز, غیرقابل اعتماد
Her motives for helping are questionable.
He may have used slightly questionable means to get what he wanted.
synonym suspect