A feeling of ill will arousing active hostility
Synonyms:
  1. animosity
  2. animus
  3. antagonism
  4. antipathy
  5. bad chemistry
  6. bad vibes
  7. bad will
  8. bitterness
  9. disaccord
  10. enmity
  11. hard-feelings
  12. hatred
  13. hostility
  14. ill will
  15. ill-disposedness
  16. malevolence
  17. oppugnancy
  18. oppugnation
  19. personality conflict
  20. rancor
  21. resentment