"Because it's highly speculative as to the risk Germany faces."

What would have been the course of events had Canning lived is highly speculative.

All that is highly speculative, and plenty of experts would disagree.

That makes it highly speculative to be involved in the dollar market right now.

The answers I got from others were anecdotal or highly speculative.

"Whether the new approach will ever prove to be successful is highly speculative," he said.

He had, all the time, been eyeing me with growing surprise and a highly speculative look.

Or he may simply be taking a highly speculative position.

At Ford, engineers present 40 to 50 car ideas a year to top management, including about 10 highly speculative models.

One requires little or no risk on the part of the investor, and the other can be highly speculative.