Sheila: "Impertinent is such a silly word." (Act 2)
Now, IMPERTINENT is a key word in An Inspector Calls. It tells us about the class mentality of 1912.
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So -- here's the key thing -- if you call someone else "impertinent" YOU HAVE TO BELIEVE YOU HAVE A HIGHER STATUS THAN THEM.
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It's one of the ways JBP puts Sheila in opposition to her parents' values.
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