What is the meaning of elfin?

adjective

• 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
  • synonyms: fey
• Small and delicate.
  • usage: "she was an elfin creature-graceful and delicate"; "obsessed by things elfin and small"
  • synonyms: elflike
• Relating to or made or done by or as if by an elf.
  • usage: "elfin bells"; "all the little creatures joined in the elfin dance"
• Usually good-naturedly mischievous.
  • usage: "perpetrated a practical joke with elfin delight"; "elvish tricks"
  • synonyms: elfish, elvish