Keeping Up Appearances vocabulary

Richard: It's none of our business!

Hyacinth: Of course it's my business; Elizabeth is my friend! I can't just stand idly by when she's sinking into moral turpitude.

BBC. Keeping Up Appearances: A Strange Man

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He wallowed in sycophants. He wallowed in worthless women. He wallowed in lascivious entertainments and alcohol and drugs. He wallowed in every known form of voluptuous turpitude.

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the Savage struck at his own rebellious flesh, or at that plump incarnation of turpitude writhing in the heather at his feet.

Aldous Huxley. Brave New World, p.176 (1932)

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I was despicable and brutal, and turpid, and everything,

Vladimir Nabokov. Lolita