impotently
adverbUK /ˈɪm.pə.tənt.li/
US /ˈɪm.pə.tənt.li/
In a way that shows you cannot do anything to change what is happening.
He watched impotently as the waves washed away his sandcastle.
OTHER MEANINGS
2. In a way that has no effect or result.
The medicine acted impotently against the strong virus.
3. Without the strength or ability to act.
She stood impotently by the door, unable to open it.
4. In a manner showing lack of power or authority.
The old king ruled impotently while others made the decisions.