Su`per*cil"i*ous (?), a. [L. superciliosus, fr. supercilium an eyebrow, pride; super over, + cilium an eyelid; probably akin to celare to conceal. Cf. Conceal.]
Lofty with pride; haughty; dictatorial; overbearing; arrogant; as, a supercilious officer; asupercilious air; supercilious behavior.
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Su`per*cil"i*ous*ly, adv. --
Su`per*cil"i*ous*ness, n.
© Webster 1913.