Adjective
1. 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 Brown2. small and delicate;
"she was an elfin creature--graceful and delicate""obsessed by things elfin and small"3. relating to or made or done by or as if by an elf;
"elfin bells""all the little creatures joined in the elfin dance"4. usually good-naturedly mischievous;
"perpetrated a practical joke with elfin delight""elvish tricks"