What a complete and utter waste of time this is.

A total utter waste of money from what I could see.

"To cling to any such hope would be an utter waste of time."

These people are a complete and utter waste of time.

It's more what we would call 'an utter waste of time'.

And this entire mission will have been an utter waste.

Sometimes I feel that any attempt to communicate with you is an utter waste of time.

He'd consider that an utter waste of time, his employees weren't considered to need sleep.

But other than that, it was a complete and utter waste of my time.

So this is totally unnecessary, an utter waste of public money.