Hiding or covering up the true appearance, identity, or nature of something to make it look different or to keep it secret.
From Old French 'desguiser,' combining 'des-' (opposite/away) and 'guise' (appearance/manner). It entered English in the 1300s.
Disguise has always been powerful in stories—from Greek plays where masks changed character identity to modern superheroes, humans have understood that appearance controls how the world treats you.
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