1. the quality or state of being fey; an otherworldly, magical, or ethereal character or appearance
Usage: often used to describe a whimsical or dreamlike quality
2. a sense of impending doom or a premonition of death
Usage: archaic or literary usage

Examples

• The feyness of the forest at twilight made it feel like stepping into another world.
• Her feyness was evident in the delicate, dreamlike quality of her paintings.
• There was an undeniable feyness about the old mansion that made visitors uneasy.
• The actress brought a certain feyness to her performance that captivated the audience.
• The feyness in his expression suggested he sensed something others could not.