Definition of "insuperability" [in•su•per•a•bil•i•ty]

• The quality or state of being insuperable; insuperableness. (noun)

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• "It's the insuperability of Roosevelt's hundred days that has confirmed it as the benchmark to which later presidents aspired."
• "But since the insuperability has none of the characteristics of necessity, we must, on the contrary, conclude: that the reproduction always occurs, when we can replace ourselves in the conditions in which the stimulus (physical beauty) was produced."
• "Another moment, and the obstacle had become very real; it grew to vastness, to insuperability He stood, as it were, looking into the very eyes of the Serene Majesty of Byzantium."