conclusive evidence

There remains no conclusive evidence as to what happened on or to the plane.

And, we sat in that courtroom listening to months of damning—and conclusive—evidence.

The fact that it separates from the serum on standing is quite conclusive evidence that it is insoluble in that liquid.

This was conclusive evidence; the livery and the mare were alike Wilford's.

But that would afford by no means conclusive evidence that she had forged the surreptitious deed herself.

Lady Byron saw a chance of eventually procuring, in the handwriting of her husband, conclusive evidence of his crime.

But, whatever their present position, there is abundant and conclusive evidence that every under-clay was once a surface soil.