So you can see that a "theory" is not just a wild guess.

At a wild guess, he said, the process could take two months.

It was a wild guess, but by the silence that followed, a good one.

Ten years later I was to learn that my seemingly wild guess had been very close to the mark.

"Anything I said would be a wild guess," he added.

I took a wild guess as to who she might be.

I gave it a minute, not the time for making a wild guess.

Take a wild guess which culture we'll come to understand best.

"I would take a wild guess and say our business has increased 500 percent over the past few years," he said.

"When I first started doing this in 1987, it was just a wild guess," he said.