The most serious of these occurred in 1954 when she sank within a few minutes.

She wasn't in any real danger, but it was very serious of course.

There was still another danger, which might be most serious of all.

Then came the last and the most serious of questions.

This most serious of men simply won't take the question seriously.

The most serious of these are conducted at public hearings.

The most serious of these occurred between 1944 and 1955.

But in this most serious of human games, victory meant exactly that.

But I really didn't think it was that serious of an injury.

The most serious of them happened on September 29, 1957.