Fill in the blank with appropriate word.
His performance was absolutely _________________ disaster!

Correct option is B

The correct option to fill in the blank is (b) an unmitigated.
Explanation: The word “unmitigated” means complete and total, usually used with negative nouns such as disaster, failure, or mess. It emphasizes the intensity or extremity of a bad condition. Hence, "an unmitigated disaster" is the appropriate collocation. (Unmitigated = पूर्ण/असीम)
Example: The plan turned out to be an unmitigated disaster.
Meanings of other options:
· a) Undermined – Weakened or damaged (कमज़ोर करना)
· c) Unjust – Not fair or just (अन्यायपूर्ण)
· d) Mitigated – Made less severe (कम किया गया)