- (transitive) to set the boundaries of an area
- (transitive) to classify
- I don't want to be marked out as a failure.
- (transitive) to obliterate or cancel with a mark
- to mark out an item in an account
- (transitive) to distinguish
- 2007, Naomi Sakr, Arab Television Today:
- The killing of more than 90 journalists in Iraq in 43 months after the invasion was to mark it out as one of the deadliest conflicts to cover.