Definition of "treacherousness" []

• Treachery; the characteristic of being treacherous. (noun)

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• "This cannot fail to surprize the Litterary World: who are well acquainted with the treacherousness of memory, and how soon the most happy ideas, for want of sufficient quickness in noting down, are lost in the rapidity of thought."
• "Our country and politicians desperately need to believe that taking the high road, despite its treacherousness, can work; that one can successfully fight fire with something besides fire; and that fairness and integrity can actually lead to change."
• "Winter in Madrid is not only a crash course in the politics of the era but serves as a marvellous primer on the duplicity and treacherousness of our species and yet gives us hope that there are exceptions to these terrible generalisations."