怨讐
also: えんしゅう
Meanings
1
Deep-seated grudge or bitter hostility, often long-lasting. Typically read おんしゅう.
He could not forget the resentment of many years.
2
hated enemy; resented foe
Only with reading えんしゅう
A person who is the object of deep hatred or a grudge. Restricted to the reading えんしゅう.
He set out on a journey to take revenge on his hated enemy.