noun
weakened boundary; dissolved boundary; perforated boundary
A term used in contexts such as psychology, sociology, or art to describe a boundary that has become blurred, permeable, or broken down. Often contrasted with 無境界 (no boundary).
See also: 無境界
現代社会では、仕事とプライベートの脱境界が進んでいる。
In modern society, the boundary between work and private life is becoming increasingly blurred.
この芸術作品は、現実と虚構の脱境界を表現している。
This artwork expresses the dissolution of the boundary between reality and fiction.
Compound of 脱 (だつ, 'de-', 'removal') and 境界 (きょうかい, 'boundary'). The reading だっきょうかい results from the assimilation of だつ + きょうかい. The term is a modern coinage, likely influenced by similar constructions such as 脱構築 (deconstruction).