1.
A ~ place is dark or full of shadows.
I watched him from a ~ corner.
ADJ: usu ADJ n
2.
A ~ figure or shape is someone or something that you can hardly see because they are in a dark place.
...a tall, ~ figure silhouetted against the pale wall.
ADJ: ADJ n
3.
You describe activities and people as ~ when very little is known about them.
...the ~ world of spies.
= mysterious
ADJ