Part of speech: Adjective
expressive of contempt
Example: curled his lip in a supercilious smile; spoke in a sneering jeering manner; makes many a sharp comparison but never a mean or snide one
Overbearing, Swaggering, Sneering, Haughty, Prideful
The word "supercilious" comes from Latin superciliōsus.
Roman military conquests permanently planted Latin vocabulary across three continents.