1. A faint, unclear, or ambiguous sign or piece of evidence that suggests something but is not conclusive
The detective found only obscure clues at the crime scene.
O detetive encontrou apenas indícios obscuros no local do crime.
2. A subtle hint or trace of something that is difficult to perceive or understand
There were obscure clues in the ancient text that scholars struggled to interpret.
Havia indícios obscuros no texto antigo que os estudiosos se esforçavam para interpretar.