duplexity

/duːˈplɛksəti/
noun
  1. The state or quality of being twofold or double; duality.
    • Scientists studied the duplexity of the genetic code, noting its paired structure.
    • The duplexity of the building allowed two families to live side by side.
    • The artist's work explores the duplexity of light and shadow in nature.
  2. The quality of being deceptive or having two contrasting aspects; duplicity.
    • The politician's duplexity was revealed when his private actions contradicted his public promises.
    • In the novel, the villain's duplexity keeps the reader guessing until the end.
    • Her duplexity made it hard for friends to know her true intentions.
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