Entry Word: presumptuousness

Function: noun

Meaning: 1 an exaggerated sense of oneʼs importance that shows itself in the making of excessive or unjustified claims <offended by the presumptuousness of his assertion that he was an expert on the subject> — see arrogance
2 shameless boldness <he found that a certain amount of presumptuousness could get you in trouble, but it could also get you into places where you normally werenʼt allowed> — see effrontery