Source : Webster's Revised Unabridged Dictionary (1913)

Fey \Fey\, a. [AS. f?ga, Icel. feigr, OHG. feigi.]
   Fated; doomed. [Old Eng. & Scot.]

Fey \Fey\, n. [See {Fay} faith.]
   Faith. [Obs.] --Chaucer.

Fey \Fey\, v. t. [Cf. {Feague}.]
   To cleanse; to clean out. [Obs.] --Tusser.

Source : WordNet®

fey
     adj 1: slightly insane [syn: {touched(p)}]
     2: suggestive of an elf in strangeness and otherworldliness;
        "thunderbolts quivered with elfin flares of heat
        lightning"; "the fey quality was there, the ability to see
        the moon at midday"- John Mason Brown [syn: {elfin}]