Grief

/ɡriːf/

intense sorrow, especially caused by someones death: "she was overcome with grief" 

Powerless
/paʊələs/  without ability, influence, or power: "troops were powerless...

Despair
/dɪˈspeər/ the feeling that there is no hope and that you can do nothing to improve...

Sad
/sad/ feeling or showing sorrow; unhappy. "I was sad and...

Emotions Wheel
I have enjoyed working with the emotions I found in Plutchik, but there are so many more...

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