su·per·cil·i·ous (sōō'pər-sĭl'ē-əs) adj. Feeling or showing haughty disdain. See Synonyms at proud. [Latin superciliōsus, from supercilium, eyebrow, pride : super-, super- + cilium, lower eyelid; see kel-1 in Indo-European roots.] su'per·cil'i·ous·ly adv., su'per·cil'i·ous·ness n. |