perversity

Noun

perversity (countable and uncountable, plural perversities)

1. The quality of being perverse.
   • Hey kids, the word of the week is "pupaphobia"! Others may enjoy being frightened by chainsaw-wielding maniacs and cannibal clowns, but my Halloween is never complete without a murderous Muppet or two. Thankfully, a pair of events last Friday the 13th provided a perfect double feature of puppet...2017 October 18, Seth Kubersky, “A weekend full of puppetry-themed entertainment is just the ticket, unless you’re pupaphobic”, in Orlando Weekly
2. Something which is perverse.
   • More generally, for the ULD property to hold, the substitution effects (which are always well behaved) must be large enough to overcome possible “perversities” coming from the wealth effects.1995, Andreu Mas-Colell, Michael D. Whinston, and Jerry R. Green, Microeconomic Theory, Oxford University Press, page 112
   • “Of all this world's perversities, there is only one I cannot abide: the kink-shame. I'm off!” “You can't walk out! I'm walking out!”2025 May 11, Monica Padrick, “Don Tyxote” (11:26 from the start), in Krapopolis, season 2, episode 21, spoken by Shlub (Matt Berry)