WordReference Random House Learner's Dictionary of American English © 2025
su•per•cil•i•ous /ˌsupɚˈsɪliəs/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2025- haughty and full of contempt for others:a supercilious raising of the eyebrows.
su•per•cil•i•ous
(so̅o̅′pər sil′ē əs),USA pronunciation adj.
su′per•cil′i•ous•ly, adv.
su′per•cil′i•ous•ness, n.
- haughtily disdainful or contemptuous, as a person or a facial expression.
- Latin superciliōsus. See supercilium, -ous
- 1520–30
su′per•cil′i•ous•ness, n.
- arrogant, scornful.
- humble.