最愛

1. Origins, structure, and basic meaning

• Structure: 最愛 is read as さいあい and is a noun and の modifier meaning dearest or most beloved among all people or things.
• Basic usage: Writing to one’s dearest family appears in 最愛の家族へ手紙を書く, while reunion with the most beloved person appears in 最愛の人との再会.

2. Common pitfalls and similar expressions

• の before a noun
  • The phrases 最愛の家族 and 最愛の人 both use の before the loved person or group.
• Difference from 大切
  • Unlike the broad word for something important or precious, this term explicitly presents the highest degree of love.