a. Of or relating to the elves; elflike; implike; weird; scarcely human; mischievous, as though caused by elves. “Elfish light.” Coleridge. [ 1913 Webster ]
The elfish intelligence that was so familiar an expression on her small physiognomy. Hawthorne. [ 1913 Webster ]
adv. In an elfish manner. [ 1913 Webster ]
n. The quality of being elfish. [ 1913 Webster ]