To conceal one's true feelings, beliefs, or intentions; to disguise or hide under a false appearance. To act in a way that conceals the truth.
From Old French 'dissembler,' from Latin 'dissimulare' (to make unlike), combining 'dis-' (apart) and 'simulare' (to simulate). The word entered English in the 15th century.
Think 'dis-ASSEMBLE' - taking apart your true self and putting on a fake one! Like disassembling your real personality and assembling a false one for show.
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