[adjective] [disapproving] - behaving as if or showing that you think that you are better than other people, and that their opinions etc. are not importantI don't like going in that shop because the assistants are always so supercilious.She has a very supercilious manner.He spoke in a haughty, supercilious voice.
SUPERCILIOUS
Meaning of SUPERCILIOUS in English
Cambridge English vocab. Кембриджский английский словарь. 2012