I simply can't bring myself to use unreasonableness, but can think of no synonym or alternate form with comparable meaning.

I'll restructure if necessary, but wonder if I'm missing a suitable alternative.

  • 3
    To advocate for the devil a bit: unreasonability.
    – Jon Purdy
    Jan 20, 2011 at 7:10

4 Answers 4


You could try contrariness, obduracy, or obstinacy.


Here are a few alternatives to "unreasonableness"

  • inflexibility
  • immovability
  • intransigence
  • intractability
  • stubbornness
  • recalcitrance
  • willfulness
  • contrariness
  • doggedness
  • single-mindedness

How about irrationality, or pigheadedness for that vernacular charm? Incorrigibility could also fit, as could idiocy, although I think those are deviating from "unreasonableness." Megalomania most likely doesn't work, but it's a wonderful word. :)


You could try obstinance for someone being willfully unreasonable or obtuseness if it's more a matter of their nature.

  • Obstinacy would probably get a better reaction. Dec 10, 2013 at 23:29

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