Mysterious
Definition 1 of 3
Pro Tip 1/3
Beyond Understanding
Use 'mysterious' when something is beyond your comprehension, not just unknown. The way the magician vanished was simply mysterious.
Pro Tip 2/3
Evoke Curiosity
Apply 'mysterious' to stir curiosity about phenomena or events that are not typical. He keeps to himself and his intentions remain mysterious.
Pro Tip 3/3
Supernatural Flair
It's suitable for discussing subjects that might seem supernatural or otherworldly. They say the forest is home to mysterious creatures.