Synonyms of 'inversion'
a strange inversion of priorities
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If there is an antithesis between two things, there is a contrast between them.
the antithesis between instinct and reason
Ideas, attitudes, or reactions that are contrary to each other are completely different from each other.
Let me assure you that the contrary is, in fact, the case.
Thesaurus for inversion from the Collins English Thesaurus
When there is an inversion of something, it is changed into its opposite.