憎み合い
Noun
1
noun (common) (futsuumeishi)
mutual hatred
憎み合う
Godan
1
Godan verb with 'u' ending
to hate each other;to hate mutually
See also:
憎しみ合う (にくしみあう)
あの頃、私達は憎み合っていた。
There was hatred between us then.