fixed idea(redirected from overvalued idea)
Also found in: Thesaurus, Medical, Encyclopedia.
an idea, esp one of an obsessional nature, that is persistently maintained and not subject to change. Also: idée fixe
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
i•dée fixe(i deɪ ˈfiks)
pl. i•dées fixes (i deɪ ˈfiks)
a persistent or obsessing idea, often delusional, that in extreme form can be a symptom of psychosis. Also called fixed idea.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.