"安全" (あんぜん) means safety or security. It refers to the condition of being protected from harm, danger, risk, or injury. Ensuring "安全" is often a top priority in many situations, from workplaces to daily life. For example, "安全第一で作業する" (To work with safety first).

危険がなく、安心できる状態のことです。例：安全運転。