Definition of superciliosity in English:
superciliosity
Origin
Early 17th century; earliest use found in William Birnie (1563–1619), Church of Scotland minister. From supercilious + -ity; compare -osity.
Pronunciation
superciliosity
/ˌsuːpəˌsɪlɪˈɒsɪti//ˌs(j)uːpəˌsɪlɪˈɒsɪti/