- autocratic, bossy, dominating, high-and-mighty, magisterial, peremptory - offensively self-assured or given to exercising usually unwarranted power; "an autocratic person"; "autocratic behavior"; "a bossy way of ordering others around"; "a rather aggressive and dominating character"; "managed the employees in an aloof magisterial way"; "a swaggering peremptory manner"
Antonym: submissive (indirect, via domineering)
- peremptory - not allowing contradiction or refusal; "spoke in peremptory tones"; "peremptory commands"
Antonym: beseeching (indirect, via imperative)
- peremptory - putting an end to all debate or action; "a peremptory decree"
Antonym: indecisive (indirect, via decisive)