This is irrefutably a missed opportunity.
This is fully and irrefutably documented.
They rendered a great contribution to science in using modern methods of fluorescent testing and so forth to expose that deception irrefutably.
I accept that in some instances cuts will have to be made, because the scientific evidence points irrefutably in that direction.
I contend that irrefutably the arguments lie with us.
I suggest that that proves irrefutably that contract labour is by far the most economical.
He argued irrefutably that this was unacceptably dangerous.
A free press is irrefutably a measure of the degree of democracy in a society.