怨念

1. Origins, structure, and basic meaning

• Structure: 怨念 is read as おんねん and is a noun for deep resentment or a grudge that continues to linger.
• Basic usage: Resentment inhabiting a place appears in 怨念が宿る, while a character’s deep grudge appears in 人物の怨念.

2. Common pitfalls and similar expressions

• Intense and lingering resentment
  • It is stronger than momentary dissatisfaction and suggests lasting resentment that may be tied to revenge or a ghost story.
• Difference from 恨み
  • Compared with the general word for a grudge, this term more strongly suggests resentment deeply fixed and enduring.