That assumption, for most, has proved to be wrong.

In other cases the bank's assumptions may be plausible, but could still prove far off the mark.

When that assumption proved wrong, she began having fertility treatments.

The assumption that schools will use test results in a positive way has not proved true.

This assumption, however, has proved to be unwarranted in a number of respects.

Those assumptions proved to be one of the great intelligence failures of the war.

It appears all my deductions and assumptions have proven false.

If his assumptions proved wrong, Targovi would break out.

It goes without saying that their assumptions about Southerners proved to be completely unfounded.

If implicit assumptions prove to be wrong, this can damage projects.