How do you say broken heart in Japanese?

Lost translates to a few different Words in Japanese. These are:

• なくす (nakusu) - to lose something (verb)
• (道に)迷う ([michi ni] mayou) - to lose one's way; to be lost (verb)
• 失われた (ushinawareta) - lost (adj.)
  
  

Examples:

- 傘をなくした (kasa o nakushita) - I lost my umbrella.

- 彼女が森の中で迷った (kanojo ga mori no naka de mayotta) - She got lost in the woods.

-失われた

時を取り返すことはできない (ushinawareta toki o torikaesu koto wa dekinai) - Lost time cannot be recalled.