perversity

Meanings

1. 1
   noun

   deliberately deviating from what is good

   there will always be a few people who, through macho perversity, gain satisfaction from bullying and terrorism

2. 2
   noun

   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 perversity.

3. 3
   noun

   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.

4. 4
   noun

   deliberate and stubborn unruliness and resistance to guidance or discipline

Etymology

From perverse + -ity, from Middle French perversité, from Latin perversitās.