disdainful vs supercilious

disdainful and supercilious both are adjectives.

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

As adjectives, disdainful and supercilious are synonyms defined as:

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

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

disdainful (adjective)	supercilious (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	expressive of contempt