"I think it's sheer speculation for anyone to place a whole lot of stock in any one particular earthquake or pestilence."

"It's sheer speculation to say that you couldn't have done that until a computer came along," he said.

Storm warnings were out; but how hard crime's hurricane might hit, was still a matter of sheer speculation.

"You are engaged in sheer speculation for your own illegal ends!"

But the same investments are sheer speculation if the investor does not have an underlying stock portfolio.

It was possible that no laws had been broken at all ) But this was sheer speculation.

He has lost all sense of proportion through sheer exalted speculation.

Indeed, much of the government's submission on remedies is based on sheer speculation.

"Unless we find proof of that all the rest is sheer speculation."

A lot of sheer speculation had gone into their planning and preparation.