Lighting is also generally the most wasteful component of commercial use.

The president of my fraternity scornfully told me I was the most wasteful man he had ever known.

It's one of the most wasteful Government subsidies there is.

It was a most wasteful expenditure of energy.

"My baby is wearing Pampers, probably one of the most wasteful things I do," she said.

The most wasteful rules, however, are the ones that do save dozens of lives but at farcical cost.

Later he would have reason to recall it as the most wasteful day in his life.

'The most wasteful and ineffective programme I have seen in and out of government'.

This borders on being the single most wasteful application of labor and capital in history.

Discussion question: What do you consider to be the most wasteful thing about this country?