How to use "useless" in a sentence

'An operation would have been useless

Although she was bitter and depressed, although - or maybe because - she felt utterly empty and useless, she took the job.

Tina raised her hands in an involuntary and totally useless attempt to ward off the bullets.

"Your guns are useless," he said

I had spent more time in useless development meetings than I had required to write both of those screenplays.

It is useless talking to me, because I cannot answer, I cannot speak

'I am sorry that I am so useless at taking care of the house,' said my wife, whose name is Griselda

Machine guns are completely useless against them, and field-guns have been put out of action

Life is real again, and the useless and bad ones have to die