imperious vs sniffy

imperious and sniffy both are adjectives.

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

As adjectives, imperious and sniffy are synonyms defined as:

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

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

imperious (adjective)	sniffy (adjective)
having or showing arrogant superiority to and disdain of those one views as unworthy	having or showing arrogant superiority to and disdain of those one views as unworthy