Dictionary

Jekyll and Hyde

noun Je·kyll and Hyde \ˈje-kəl-ən-ˈhīd also ˈjē- or ˈjā-\

: someone who is sometimes good and pleasant and sometimes very rude or bad

Full Definition of JEKYLL AND HYDE

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

Examples of JEKYLL AND HYDE

  1. He's a real Jekyll and Hyde who can become violent without warning.
  2. his Jekyll and Hyde tendencies

Origin of JEKYLL AND HYDE

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
First Known Use: circa 1922

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