supercilious vs disdainful

supercilious and disdainful both are adjectives.

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

As adjectives, supercilious and disdainful are synonyms defined as:

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

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

supercilious (adjective)	disdainful (adjective)
having or showing arrogant superiority to and disdain of those one views as unworthy	expressing extreme contempt
expressive of contempt	having or showing arrogant superiority to and disdain of those one views as unworthy