1.
safe, secure
Free from danger or risk.
安全 functions as both a na-adjective (safe) and a noun (safety). The kanji combine 安 (peaceful) and 全 (whole/complete).
FORMS:
- 安全な + noun: safe [noun] (安全な場所: a safe place)
- 安全に: safely (adverb)
- 安全を守る: to maintain safety
COMMON COMPOUNDS:
- 安全運転: safe driving
- 安全第一: safety first
- 安全対策: safety measures
- 安全確認: safety check
- 食品安全: food safety
CONTRAST:
- 安全 (safe) ↔ 危険 (dangerous): direct antonym pair
- 安心 (peace of mind): describes the feeling of being relieved, while 安全 describes the objective state of being free from danger