presumptuous
adjectiveformal/pɾɨzũˈkozu/low
pre·sun·ço·so
Definition
Having or showing an exaggerated opinion of one's own abilities or importance; arrogant.
His presumptuous speech alienated many colleagues. | He is a presumptuous man who thinks he knows everything.
Common collocations
presumptuous attitudepresumptuous behavior
Etymology
Do latim 'praesumptuosus', de 'praesumptio' (presunção).