— imperiously , adv. — imperiousness , n.
/im pear"ee euhs/ , adj.
1. domineering in a haughty manner; dictatorial; overbearing: an imperious manner; an imperious person.
2. urgent; imperative: imperious need.
[ 1535-45; imperiosus commanding, tyrannical, equiv. to imperi ( um ) IMPERIUM + -osus -OUS ]
Syn. 1. tyrannical, despotic, arrogant. 2. necessary.
Ant. 1. submissive. 2. unnecessary.