There's a great deal of animosity here.
The definition of animosity is strong ill will or dislike.
Two neighbors constantly fighting over a property line are an example of people who are sharing a feeling of animosity.
a feeling of strong dislike or hatred; ill will; hostility
Origin of animosityMiddle English animosite ; from Classical Latin animositas, boldness, spirit ; from animosus, spirited ; from animus: see animus
- Bitter hostility or open enmity; active hatred. See Synonyms at enmity.
- A hostile feeling or act.
Origin of animosityMiddle English animosite, from Old French, from Late Latin animōsitās, courage, from Latin animōsus, bold, from animus, soul, spirit; see an&schwa;- in Indo-European roots.