1. a person who conceals their true feelings, intentions, or character; one who practices dissimulation
Usage: formal; often used in a negative or critical sense

Examples

• The politician was exposed as a dissimulator who publicly supported environmental causes while privately funding polluters.
• She recognized him as a dissimulator when his friendly demeanor vanished the moment the cameras stopped rolling.
• The novel's protagonist is a skilled dissimulator who hides her true ambitions behind a mask of humility.
• Historians debated whether the diplomat was a pragmatist or merely a dissimulator playing both sides.
• His friends felt betrayed upon learning he was a dissimulator who had lied about his background for years.