Used attributively to modify another noun (e.g., "elf magic"), treated as an adjective.
Translations
The costume had an unmistakable elf charm with its pointed hood and green trim.
Le costume avait un charme elfique indéniable avec sa capuche pointue et ses bordures vertes.
Definitions
Relating to, characteristic of, or suitable for an elf or elves; elfin. The costume had an unmistakable elf charm with its pointed hood and green trim.