disdainful vs imperious

disdainful and imperious both are adjectives.

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

As adjectives, disdainful and imperious are synonyms defined as:

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

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

disdainful (adjective)	imperious (adjective)
expressing extreme contempt	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