The adjective presumptuous means someone you disapprove because they are doing things that they have no right or power to do.
Synonyms are rude, arrogant, overconfident, or bold.
The word origins from Old French (12th century) presumtuex and Modern French présomptueux. It sources directly from Late Latin praesumptuosus, variant of praesumptiosus, from past participle stem of Latin praesumere meaning “anticipate” and from Late Latin meaning “assume”.
Would it be presumptuous of me to ask why you look ugly?
The suspect’s presumptuous questioning made him suspicious of her motives.
The President was not expecting such presumptuous questions from the media.