This is the 12110th most frequent Spanish word.
insuperable
Impossible to overcome or surpass.
Here, 'insuperable' denotes the exceptional and unparalleled quality of the scenery.
El paisaje desde la cima de la montaña era insuperable.
The view from the mountain's peak was unsurpassable.
In this context, 'insuperable' describes someone who cannot be outperformed or exceeded.
Ana es una atleta insuperable en su categoría.
Ana is an unbeatable athlete in her category.
'Insuperable' here emphasizes the unique and unrivaled quality of the humorist's wit.