absurdism

noun

1. (uncountable, usually)A philosophy which holds that the universe is chaotic and irrational and that any attempt to impose order will ultimately fail.
2. (countable, usually)Absurdity, something that is absurd

   “Henri Duval is a swashbuckling adventure with an absurdism straight out of Douglas Fairbanks: Siegel makes his hero a dandy who draws swords on men who insult his clothes.”

   “It is a sense of irrational well-being that can seduce perfectly rational people to believe such absurdisms as “Two can live as cheaply as one…” Later (about 9 1/2 weeks) comes the rational spoilsport follow up “…for half as long.””