By many of his own time Delavigne was looked upon as unsurpassed and unsurpassable.
In the 16th century instrumentation was, in its normal modern sense, non-existent; but in a special sense it was at an unsurpassable stage of perfection, namely, in the treatment of pure vocal harmony.
The earthquake at Lisbon, which appalled other people, gave Voltaire an excellent opportunity for ridiculing the beliefs of the orthodox, first in verse (1756) and later in the (from a literary point of view) unsurpassable tale of Candide (1759).
Now both are encouraged, and the men, receiving their full rations, are unsurpassable in endurance at work and in marching.
Her range of characters was limited, but within it she was unsurpassable.