GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 169 delusion (n) Mistaken conviction, especially when more or less enduring demagnetize (v) To deprive (a magnet) of magnetism demagogue (n) An unprincipled politician demeanor (n) Deportment demented (adj) Insane demerit (n) A mark for failure or bad conduct demise (n) Death demobilize (v) To disband, as troops