Use the adverb imperiously to describe a manner that is domineering and authoritative. Shouting, "Sit! Stay!" imperiously might work well on the dog, but it won't necessarily work on your friends.
In an imperious manner.
Adverb
in an imperious manner; "imperiously he cut her short"
adv.
In an imperious manner.
Imperiously
In an imperious manner.
Usage Examples
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