[dih-sim-yuh-ley-shuh n]
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Origin of dissimulation

1350–1400; Middle English dissimulacioun (< Anglo-French) < Latin dissimulātiōn- (stem of dissimulātiō a feigning); see dis-1, simulation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Word Origin and History for dissimulation

late 14c., from Old French dissimulation (12c.), from Latin dissimulationem (nominative dissimulatio) "a disguising, concealment," noun of action from past participle stem of dissimulare "make unlike, conceal, disguise," from dis- "completely" + simulare "pretend, assume, simulate" (see simulation).

Online Etymology Dictionary, © 2010 Douglas Harper

dissimulation in Medicine


  1. Concealment of the truth about a situation, especially about a state of health, as by a malingerer.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.