Main Entry: pre·sump·tu·ous

Pronunciation: \pri-ˈzəm(p)-chə-wəs, -chəs, -shəs\

Function: adjective

Etymology: Middle English, from Anglo-French presumptious, from Late Latin praesumptuosus, irregular from praesumptio

Date: 14th century

: overstepping due bounds (as of propriety or courtesy) : taking liberties

— pre·sump·tu·ous·ly adverb

— pre·sump·tu·ous·ness noun