This is the 3258th most frequent Catalan word.
superada
"Superada" means "overcome" or "surpassed" in English.
In this sentence, 'superada' is used as the participle of the verb 'superar' to express successfully overcoming a difficulty or fear.
He superat la por de parlar en públic.
I have overcome the fear of speaking in public.
Here, 'superada' is used as an adjective to describe the stage as something the mountaineer managed to overcome or accomplish.
L'alpinista va trobar una etapa molt superada.
The mountaineer found a very surpassed stage.
In this case, 'superada' is used in passive voice to indicate that the difficulty was not overcome.