1. A literal or figurative path that is dark, unclear, or difficult to see
The hiker walked through a dark path in the forest.
O caminhante andava por um caminho obscuro na floresta.
2. A course of action or direction that is unclear, mysterious, or morally questionable
He followed an obscure path that led to corruption.
Ele seguiu um caminho obscuro que o levou à corrupção.
3. An unclear or undefined route toward a goal or understanding
The investigation took a dark and unclear path.
A investigação seguiu um caminho obscuro e confuso.