If a building, machine, activity, or area is unsafe, it is dangerous. Critics claim the trucks are unsafe She was also warned it was unsafe to run early in the morning in the neighbourhood. = dangerous safe
A condition in a readily accessible, installed system or component that is judged to be a significant risk of bodily injury during normal, day-to-day use The risk may be due to damage, deterioration, improper installation or a change in accepted residential construction standards
A condition in a readily accessible, installed system or component which is judged to be a significant risk of personal injury during normal, day-to-day use The risk may be due to damage, deterioration, improper installation or a change in accepted residential construction standards
If a criminal conviction is unsafe, it is not based on enough evidence or is based on false evidence. An appeal court decided their convictions were unsafe
involving or causing danger or risk; liable to hurt or harm; "a dangerous criminal"; "a dangerous bridge"; "unemployment reached dangerous proportions"