imperiousness n 1: the trait of being imperious and overbearing [syn: {imperiousness}, {domineeringness}, {overbearingness}]
Imperiousness \Im*pe"ri*ous*ness\, n. The quality or state of being imperious; arrogance; haughtiness. [1913 Webster] Imperiousness and severity is but an ill way of treating men who have reason of their own to guide them. --Locke. [1913 Webster]