Found 2 items, similar to presumptuousness.
English → English (WordNet) Definition: presumptuousness presumptuousness n : audacious (even arrogant) behavior that you have no right to; “he despised them for their presumptuousness” [syn: presumption, effrontery, assumption]
English → English (gcide) Definition: Presumptuousness Presumptuousness \Pre*sump"tu*ous*ness\, n. The quality or state of being presumptuous. [1913 Webster]