Completely such, without qualification or exception
She was oblivious to him observing her with unmitigated admiration.
His first military expedition had ended in unmitigated disaster, yet from this disaster is to be dated the reign of Peter the Great.
The unmitigated disaster of last year's crops is something I don't like to recall.
Work has been nothing but unmitigated chaos since last week.
Intent only on promoting their own interests and disregarding the welfare of the community, the old companies had become an unmitigated evil.