English to English

noun (n)

• audacious (even arrogant) behavior that you have no right to

  berani (bahkan sombong) perilaku anda tidak punya hak untuk itu

  Example:
  He despised them for their presumptuousness.
  

  Synonym:
  assumption, effrontery, presumption
  

  source: wordnet30
• The quality or state of being presumptuous.

  kualiti atau keadaan menjadi bongkak.

  source: webster1913