Elfin (adjective)

1. Relating to or resembling an elf, a supernatural being.
2. Small and delicate in appearance.
3. Having a mischievous or impish quality.

Origin:

From the old english word "elf" meaning "a supernatural being" and the suffix "-in" indicating a characteristic or tendency. it entered the english language in the 14th century.

Examples:

1. The elfin features of the child made her look like a fairy from the storybook.
2. The elfin grin on his face made him look like a mischievous imp.
3. The elfin figure was a reminder of the supernatural beings from the stories.
4. The elfin dance was graceful and ethereal.
5. The elfin flowers added a touch of magic to the garden.