Fey/feɪ/ Definition 1 of 3Pro Tip 1/3Enigmatic Presence Use 'fey' to describe someone with a mysterious aura that might seem supernatural. The fortune teller's fey demeanor unnerved the visitors. Pro Tip 2/3Unusual Behavior 'Fey' can indicate someone's behavior that is quirky or oddly detached from reality. Her fey behavior left people guessing her true intentions. Pro Tip 3/3Literary Flavor 'Fey' adds a literary quality to writing, best used in creative or expressive contexts. His fey speech was rich with poetic and mysterious undertones.