A chemical element that is a heavy, silvery-white liquid metal.

Subject to sudden or unpredictable changes of mood or mind.

परिवर्तनशील

English Usage: His mercurial temperament made him difficult to work with.

Hindi Usage: उसकी परिवर्तनशील स्वभाव ने उसे काम करने में कठिनाई पैदा की.