This is the 8069th most frequent Portuguese word.
serranho
"Serranho" translates to "relating to mountains or rugged regions; rustic, coarse, or unsophisticated."
In this sentence, 'serranho' is used to mean something peculiar or unusual.
O gosto dessa fruta é um pouco serranho.
The taste of this fruit is a bit peculiar.
Here, 'serranho' refers to something remote or related to serras (mountain ranges).
O ambiente na vila serranha era tranquilo e isolado.
The environment in the remote village was peaceful and isolated.
'Serranho' in this usage connotes a sense of being rustic or unpolished.