C2 adjective /ˌsuː.pɚˈsɪl.i.əs/
supercilious
высокомерный
Meaning
Behaving or looking as though one thinks one is superior to others; arrogant and disdainful.
Example
She gave him a supercilious smile as if he was beneath her.
Она подарила ему высокомерную улыбку, как будто он был ниже её.