Siniestra (en. Sinister)
/siˈniestra/
Slang Meanings
A person or thing that causes fear or distrust.
That place has a sinister vibe.
Ese lugar tiene una vibra siniestra.
A situation that seems doubtful or deceptive.
That offer seems very sinister, I don't trust it.
Esa oferta se ve muy siniestra, no me fio.