presumptuous

presumptuous |priˈzəmp ch (oō)əs|
adjective
(of a person or their behavior) failing to observe the limits of what is permitted or appropriate : I hope I won't be considered presumptuous if I offer some advice. See note at bold .
DERIVATIVES
presumptuously adverb
presumptuousness noun
ORIGIN Middle English : from Old French presumptueux, from late Latin praesumptuosus, variant of praesumptiosus ‘full of boldness,’ from praesumptio (see presumption ).

Thesaurus
presumptuous
adjective
that was quite a presumptuous remark brazen, overconfident, arrogant, bold, audacious, forward, familiar, impertinent, insolent, impudent, cocky; cheeky, rude, impolite, uncivil, bumptious; informal sassy. See note at bold .