cross the line

cross the line

if someone crosses the line they start behaving in a way that is not socially acceptable Players had crossed the line by attacking fans on the pitch.

See also: cross, line

---

cross the line

1. to change from being acceptable to being unacceptable I thought the jokes crossed the line and were basically embarrassing.

2. to do something wrong If you steal someone's idea, you have absolutely crossed the line.

See also: cross, line