既成の established;〔現存の〕existing
- 既成作家
- an established writer/a writer of established standing
- 既成の政党
- existing political parties
- 既成の権力機構に反対する学生たち
- students opposing the Establishment
- 既成概念a preconceived idea;〔紋切り型の〕a stereotype
- 既成概念を捨てる
- get rid of one's stereotypes
- 既成事実an accomplished fact;〔法律用語〕a fait accompli [fεtakpli]