For a long time there had been rumours — circulated, he had reason to think, by some malignant enemy — that there was something subversive and even revolutionary in the outlook of himself and his colleagues.
There are no more uses of "subversion" in the book.
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The Chinese activist was imprisoned for inciting subversion of state power.
Let all our neighbors know that we shall join with them to oppose aggression or subversion anywhere in the Americas.
Kennedy, John F. -- John F. Kennedy’s Inaugural Address