(adj) most powerful or important or influential, Syn. ascendent, dominating, Example:the economically ascendant class; D-day is considered the dominating event of the war in Europe
(adj) offensively self-assured or given to exercising usually unwarranted power, Syn. dominating, high-and-mighty, bossy, magisterial, peremptory, Example: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