imperious vs overbearing

imperious and overbearing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
imperious	No	Yes	No	No
overbearing	No	Yes	No	No

As adjectives, imperious and overbearing are synonyms defined as:

imperious and overbearing: having or showing arrogant superiority to and disdain of those one views as unworthy

Other synonyms of imperious include disdainful, haughty, lordly, prideful, sniffy, supercilious, swaggering.

imperious (adjective)	overbearing (adjective)
having or showing arrogant superiority to and disdain of those one views as unworthy	expecting unquestioning obedience
	having or showing arrogant superiority to and disdain of those one views as unworthy