| Subject | English | German |
| tech. | aerodrome unsafe | Flugplatz unbenutzbar |
| tech. | canopy lever unsafe warning switch | Kabinendachverriegelungswarnschalter |
| tech. | field unsafe for all aircraft | Flugplatz unge eignet nicht sicher fuer jede Art Flugzeuge |
| tech. | field unsafe for heavy aircraft | Flugplatz ungeeignet nicht sicher fuer leichte Flugzeuge |
| tech. | landing-gear unsafe blinker | Fahrwerkwarnblinker |
| comp., MS | unsafe character | unsicheres Zeichen (A character in a URL that may be altered during transport across the Internet) |
| comp., MS | unsafe code | unsicherer Code (Code that is executed directly by the operating system, outside the .NET Framework common language runtime. Unmanaged code must provide its own memory management, type checking, and security support, unlike managed code, which receives these services from the common language runtime) |
| transp., mater.sc. | unsafe container | betriebsunsicherer Container |
| tech. | unsafe failure | unsicherer Ausfall |
| tech. | unsafe warning light | Warnleuchte |
| tech. | unsafe warning light | Warnlampe |