How to use "hopeless" in a sentence

This doesn't work either and I feel suddenly hopeless

Completely hopeless, Sala thought as she sat finishing her green tea

And her husband saves a bundle in attorney's fees that he'd just be throwing away in a hopeless attempt to stop us."

"But that's hopeless! How can we?"

"It isn't hopeless."

"It isn't hopeless," he said again

It isn't hopeless, Tina, and it's not like you to give up so easily."

"I think it's hopeless."

"It isn't hopeless, Tina."

My brother, who had seen the situation at the stations in London, thought that was hopeless

I don't blame you; I feel sorry for you, because your love is hopeless