1. (

• 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" ;

2. (

• peremptory ,

) not allowing contradiction or refusal; "spoke in peremptory tones"; "peremptory commands" ;

3. (

• peremptory

) putting an end to all debate or action; "a peremptory decree" ;