Main Entry: Je·kyll and Hyde

Pronunciation: \ˈje-kəl-ən-ˈhīd also ˈjē- or ˈjā-\

Function: noun

Etymology: Dr. Jekyll & Mr. Hyde, representing the two-sided personality of the protagonist in The Strange Case of Dr. Jekyll and Mr. Hyde (1886) by R. L. Stevenson

Date: circa 1922

: one having a two-sided personality one side of which is good and the other evil