How to use in-sentence of “powerless”:
+ The police seemed powerless to stop the Ben Hall gang.
+ Because blacks could not vote, they were powerless to prevent whites from segregating all aspects of Southern life.
+ After these disasters the League was thought to be weak and powerless and stopped operations in 1939.
+ Even Zeus is powerless to change their will.
+ He uses his powers to turn back time, turning the Power Rangers into Powerless kids.