ipsedixitism

/ˌɪpsɪˈdɪksɪtɪzəm/
noun
  1. The habit of making statements based only on personal authority, without providing evidence.
    • The manager's ipsedixitism frustrated the team, who wanted real reasons for the changes.
    • The blog was full of ipsedixitism, with the writer expecting readers to just trust his opinions.
    • In a court of law, ipsedixitism is not enough; you need witnesses and documents.
What does "ipsedixitism" mean? | whatsthatwordmean | whatsthatwordmean