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supercilious

adjective
 
 
/ˌsuː.pəˈsɪl.i.əs/ US  /-pɚ-/ disapproving

Definition

behaving as if you are better than other people, and that their opinions, beliefs, or ideas are not important: He spoke in a haughty, supercilious voice.Showing arrogance and conceitConfidence and self-assuranceBoasting superciliously
 
 
/-li/ adverb
superciliousness
 
 
/-nəs/ noun [U]
(Definition of supercilious adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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