In a dream it signifies that its owner will remain protected from sin, renouncing this world and what is in it, and he will have no renown at all. If his impotence goes away, he will obtain power and renown.
Dream meaning · al-Nabulsi
Impotence عنة
Source: al-Nabulsi, Ta'tir al-Anam fi Ta'bir al-Manam, p. 251. English translation by iDreamBot. Quran verses: Quran.com, Saheeh International.