su ‧ per ‧ cil ‧ i ‧ ous /ˌsuːpəˈsɪliəs◂ $ -pər-/ BrE AmE adjective formal
[ Date: 1500-1600 ; Language: Latin ; Origin: superciliosus , from supercilium 'eyebrow, proud and unfriendly behavior' ]
behaving as if you think that other people are less important than you – used to show disapproval SYN self-important :
supercilious wine waiters
—superciliously adverb
—superciliousness noun [uncountable]