Frustrate : prevent (a plan or attempted action) from progressing, succeeding, or being fulfilled.Cheat : act dishonestly or unfairly in order to gain an advantage.Pervert : distort or corrupt the original course, meaning, or state of (something).Depress : make (someone) feel utterly dispirited or dejected.Deflect : cause (something) to change direction; turn aside from a straight course.Synonym of Deflect is Pervert