[mis-dahy-uh g-noh-sis]

noun, plural mis·di·ag·no·ses [mis-dahy-uh g-noh-seez] /ˌmɪs daɪ əgˈnoʊ siz/.

an incorrect diagnosis.

Origin of misdiagnosis

First recorded in 1945–50; mis-1 + diagnosis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for misdiagnosis


noun plural -ses (-siːz)

the act or an instance of misdiagnosing or being misdiagnosed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for misdiagnosis

1880, from mis- (1) + diagnosis.

Online Etymology Dictionary, © 2010 Douglas Harper

misdiagnosis in Medicine



n. pl. mis•di•ag•no•ses (-sēz)

An incorrect diagnosis.
Related formsmis•diag•nose′ v.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.