安全性（あんぜんせい、anzeんsei）
- safety

The Japanese word 安全性 (あんぜんせい) refers to the state or quality of being safe, security, or safety. It signifies the degree to which something is free from danger, risk, or harm. It encompasses various aspects, including physical safety, protection from threats, and the absence of hazards. In essence, 安全性 is about ensuring that something is secure and reliable. The meaning of 安全性 includes the condition of being safe, safe condition, security, or the quality of being safe.

⚫︎製品の安全性 Translation: Product safety ⚫︎このシステムの安全性は非常に高い。 Translation: The safety of this system is very high. ⚫︎交通安全性に関する議論 Translation: Discussions about traffic safety

安全性 is used in various contexts to discuss the level of safety or security of something. You can use it when talking about the safety of products, systems, environments, procedures, and more. It is appropriate in formal and informal settings. You would use 安全性 when you want to emphasize the importance of safety or to assess the risk involved in a particular situation. When the meaning of 安全性 is security or degree of being safe, you can use 安全性.

安全性 is written using the kanji 安 (an - peace, safe), 全 (zen - whole, complete), and 性 (sei - nature, characteristic, quality). The hiragana reading is あんぜんせい. There are no other common ways to write this word. The okurigana (the suffix hiragana) is always "せい".

⚫︎ 安全 (あんぜん - safety) ⚫︎ セキュリティ (sekyuriti - security) ⚫︎ 保安 (ほあん - protection, security)

⚫︎ 危険性 (きけんせい - risk, danger) ⚫︎ 危険 (きけん - danger, hazard)

この薬の安全性について、もっと詳しく知りたいです。 ・Translation: I want to know more about the safety of this medicine. ・Explanation: This sentence uses 安全性 to inquire about the safety aspects of a medication.

その新しい技術の安全性がまだ確認されていません。 ・Translation: The safety of that new technology has not yet been confirmed. ・Explanation: This sentence expresses that the degree of 安全性 of new technology is uncertain.

The word 安全性 is formed from the combination of two kanji: 安 (an), meaning "peace" or "safe," and 全 (zen), meaning "whole" or "complete," and the suffix 性 (sei), meaning "nature," "characteristic," or "quality." Therefore, 安全性 literally means the "quality of being safe" or "the state of safety."