English

Definition of supercilious adjective from the Oxford Advanced Learner's Dictionary

 

supercilious

 adjective
adjective
BrE BrE//ˌsuːpəˈsɪliəs//
 
, BrE//ˌsjuːpəˈsɪliəs//
 
; NAmE NAmE//ˌsuːpərˈsɪliəs//
 
(disapproving)
 
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behaving towards other people as if you think you are better than they are synonym superior The dress shop assistant was very supercilious. She gave a supercilious smile. Word Origin early 16th cent.: from Latin superciliosus ‘haughty’, from supercilium ‘eyebrow’.
See the Oxford Advanced American Dictionary entry: supercilious