English Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 150 demerit (n) A mark for failure or bad conduct demise (n) Death demobilize (v) To disband, as troops demolish (v) To annihilate demonstrable (adj) Capable of positive proof demonstrate (v) To prove indubitably demonstrative (adj) Inclined to strong exhibition or expression of feeling or thoughts demonstrator (n) One who proves in a convincing and conclusive manner