We are at war with a system, which, by its essence, is inimical to all other governments.
Burke.
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the people still cheating themselves with the false sense of security begotten of the belief that they were somehow exempt from the operation of all agencies inimical to their national welfare and integrity.
Ambrose Bierce. The Collected Works of Ambrose Bierce, Volume 1
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'What do you mean, Aribert?' said Eugen, in a tone which might have been either inimical or friendly. 'What do you want to say?'
Arnold Bennett. The Grand Babylon Hôtel (1902)
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such ideas as were favorable to the capitalistic regime, to the exclusion of all ideas that were inimical and subversive.
Jack London. The Iron Heel
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Rostov looked inimically at Pierre, first because Pierre appeared to his hussar eyes as a rich civilian, the husband of a beauty, and in a word— an old woman; and secondly because Pierre in his preoccupation and absent-mindedness had not recognized Rostov and had not responded to his greeting.
Leo Tolstoy. War and Peace: With bonus material from Give War and Peace A Chance by Andrew D. Kaufman
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Ideas inimical to Ingsoc could only be entertained in a vague wordless form, and could only be named in very broad terms which lumped together and condemned whole groups of heresies without defining them in doing so.