Definitions from Wiktionary (unreason)

▸ noun:  Lack of reason or rationality; unreasonableness; irrationality.
▸ noun:  Nonsense; folly; absurdity.
▸ verb:  (transitive, rare) To prove to be unreasonable; disprove by argument.
▸ verb:  (rare) To apply false logic or think without logic.
▸ verb:  (rare) To make unreasonable; to deprive of reason.

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