Impertinence (The Yellow Wallpaper)
noun
Pronunciation: im – per – ti – nence

-Unmannerly intrusion or presumption ; insolence.
-Irrelevance, Inappropriateness, or Absurdity.

Context: I get positively angry with the impertinence of it and the everlastingness.

Source: http://dictionary.reference.com/browse/impertinence