foul play
1
unfair or dishonest behavior, often implying criminal activity or violence
- The police suspect foul play in the sudden disappearance of the businessman.
- There was no evidence of foul play; it seemed like an accident.
- Her death was initially mysterious, but signs of foul play soon emerged.
- Investigators ruled out foul play after examining the scene.
- The insurance company investigated the claim for potential foul play.