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Definition of Supercilious

Supercilious: Arrogant, haughty or disdainful. From the raising of an eyebrow ("supercilium" in Latin). Supercilious is an example of a word derived from anatomy that has lost its anatomic meaning but been retained for its figurative sense.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012

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