imperious
— Adjective
– English
~ having or showing arrogant superiority to and disdain of those one views as unworthy; "some economists are disdainful of their colleagues in other social disciplines"; "haughty aristocrats"; "his lordly manners were offensive"; "walked with a prideful swagger"; "very sniffy about breaches of etiquette"; "his mother eyed my clothes with a supercilious air"; "a more swaggering mood than usual"- W.L.Shirer
imperiously
— Adverb
– English
~ in an imperious manner; "imperiously he cut her short"
imperiousness
— Noun
– English
~ the trait of being imperious and overbearing
imperishability
— Noun
– English
~ the property of being resistant to decay; "he advertised the imperishability of the product"
imperishable
— Adjective
– English
~ not perishable