(adjective) putting an end to or precluding a right of action, debate, or delay / (adjective) not providing an opportunity to show cause why one should not comply / (adjective) admitting of no contradiction / (adjective) expressive of urgency or command / (adjective) characterized by often imperious or arrogant self-assurance / (adjective) indicative of a peremptory attitude or nature; haughty / (noun) a challenge (as of a juror) made as of right without assigning any cause
So aggressive and peremptory was this question, that to have met it with a blunt plain-spoken dissent would have been to inflame his anger even farther.