1. A link or relationship between two things that is unclear, indirect, or not easily understood or perceived
There is an obscure connection between the two historical events.
Existe uma conexão obscura entre os dois eventos históricos.
2. A tenuous or mysterious association that is difficult to trace or explain
The detective found an obscure connection between the suspect and the victim.
O detetive encontrou uma conexão obscura entre o suspeito e a vítima.