a. 1. Pertaining to elves; implike; mischievous; weird; also, vacant; absent in demeanor. See Elfish. [ 1913 Webster ]
He seemeth elvish by his countenance. Chaucer. [ 1913 Webster ]
2. Mysterious; also, foolish. [ Obs. ] [ 1913 Webster ]
adv. In an elvish manner. Sir W. Scott. [ 1913 Webster ]