Obscura (en. Dark)
/obsˈku.ra/
Slang Meanings
Something that is mysterious or complicated.
That situation is very obscure, I don't know what to think.
Esa situación es muy obscura, no sé qué pensar.
A person with hidden intentions.
I don't trust him, he has a dark air.
No me fío de él, tiene un aire obscuro.