Jekyll and Hyde
a person marked by dual personality, one aspect of which is good and the other bad.
Origin of Jekyll and Hyde
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for Jekyll and Hyde
/ (ˈdʒɛkəl, haɪd) /
a person with two distinct personalities, one good, the other evil
(as modifier): a Jekyll-and-Hyde personality
Origin of Jekyll and Hyde
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with Jekyll and Hyde
A personality alternating between good and evil behavior, as in You never know whether Bob will be a Jekyll or a Hyde. This expression comes from Robert Louis Stevenson's The Strange Case of Dr. Jekyll and Mr. Hyde (1886). Also see lead a double life.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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