Wiki: "... they no more saw through Scarlett’s
pinchbeck
pretensions than she herself did."
1. An alloy of about five parts of copper with one of zinc, resembling gold: used in clock-making, cheap jewellery, etc.
2. Contemptuously, as a type of what is counterfeit or spurious.
3. Of deceptive appearance and small value; spurious; simulating the genuine article; sham.