1 (dangerous) [+building, neighbourhood] peligroso; poco seguro; [+machine, vehicle, wiring] poco seguro; peligroso; [+working conditions] peligroso the car is unsafe to drive el coche no está en condiciones de conducirlo; it is unsafe to walk there at night es peligroso caminar por ahí de noche; to declare a building unsafe declarar un edificio un peligro
unsafe to drink/eat they are refusing to work in what they consider unsafe conditions it is unsafe to let him have a gun
2 (in danger) to be unsafe [+person] estar en peligro; to feel unsafe no sentirse seguro
3 (Jur) (dubious) [+evidence, conviction, verdict] abierto a revisión judicial unsafe and unsatisfactory Lord Taylor said in his 45-minute judgment that fresh medical evidence that Ahluwalia might have been suffering from diminished responsibility at the time of the 1989 killing rendered her murder conviction unsafe and unsatisfactory
4 (unprotected) unsafe sex relaciones (f) sexuales sin protección
in most cases the disease had been contracted through unsafe sex