I. |süpə(r)|silēəs, -lyəs adjective
Etymology: Latin superciliosus, from supercilium eyebrow, pride, haughtiness (from super- + -cilium — akin to Latin celare to hide) + -osus -ous — more at hell
1. : arrogantly superior : haughty , disdainful
though elated by his rank, it did not render him supercilious — Jane Austen
translators … supercilious about the possibility of using Basic English for such international conferences — Mark Starr
shaggy supercilious camels — L.C.Stevens
2. : expressive of contempt : scornful , sneering
his lip curls in a supercilious smile
Synonyms: see proud
II. adjective
Etymology: Latin supercili um eyebrow + English -ous
archaic : superciliary