Definition from macmillandictionary.com
Your browser doesn’t support HTML5 audio
This technology is useless if you can’t operate it.
Why do you keep this completely useless umbrella?
Most of his inventions proved useless.
Will’s parents think acting is a useless profession.
It’s useless trying to talk to her because she never listens.
Don’t ask Geoff – he’s useless!
I’m useless at cooking.
Since the stroke, my left arm has been useless.