- 1(of a thing, a place or an activity) not safe; dangerous The roof was declared unsafe. It was considered unsafe to release the prisoners. unsafe sex (= for example, sex without a condom)
- 2(of people) in danger of being harmed He felt unsafe and alone.
- 3(British English, law) (of a decision in a court of law) based on evidence that may be false or is not good enough Their convictions were declared unsafe. opposite safe
Check pronunciation: unsafe
