elfin (Adjective) — Small and delicate. ex. "obsessed by things elfin and small" ex. "she was an elfin creature--graceful and delicate"
elfin (Adjective) — Suggestive of an elf in strangeness and otherworldliness. ex. "thunderbolts quivered with elfin flares of heat lightning"
elfin (Adjective) — Relating to or made or done by or as if by an elf. ex. "elfin bells" ex. "all the little creatures joined in the elfin dance"
elfin (Adjective) — Usually good-naturedly mischievous. ex. "perpetrated a practical joke with elfin delight"