This is the 12386th most frequent Portuguese word.
sinistra
"Sinistra" means "sinister" or "left-hand side" in English, depending on context.
In this context, 'sinistra' refers to something that appears threatening or eerie.
A rua parecia muito sinistra à noite.
The street seemed very sinister at night.
Here, 'sinistra' is used in its traditional meaning referring to the left hand.
Ela usa a mão sinistra para desenhar.
She uses her left hand to draw.
'Sinistra' implies something unsettling or ominous within the situation described.