noun
high society; fashionable circles
Refers to the world of the wealthy, influential, and socially prominent; often used in contexts like parties, charity events, and elite gatherings.
彼女は社交界の花形だ。
She is the star of high society.
社交界デビューを果たす。
Make one's debut in society.
Compound of 社交 (social intercourse) and 界 (world, circle). The term is a straightforward Sino-Japanese coinage.