Enmity

to hold negative feelings toward a person who has done one wrong in the past

She still holds a grudge against her sister for borrowing her favorite dress without asking.

to deliberately keep causing problems for someone or criticizing them

Ever since that argument at the office last week, it seems like the boss has it in for Sarah.

a strong feeling of bitterness or hatred toward someone because of a past dispute or disagreement

Despite their efforts to reconcile, there was still bad blood between the two neighbors after the property dispute.

to have an unsuccessful or unpleasant beginning in a relationship or activity

They got off on the wrong foot after a misunderstanding.

to intentionally and rudely display an offensive hand gesture, involving raising the middle finger while extending the others downward, as a sign of strong disapproval, annoyance, or disrespect toward someone

When the driver cut him off in traffic, he couldn't resist giving them the bird.

to have a problem with someone or be annoyed with them and want to tell them all about it

After the meeting, Jane told her colleague, "I have a bone to pick with you about the way you presented our project.

to emotionally harm someone through a significant act of betrayal or hurtful actions

During the heated debate, she really put the knife into her opponent with scathing remarks about his credibility.

to have an open conversation with someone to resolve the negative feelings with them that are caused by disagreements or misunderstandings

After their argument, they decided to clear the air by sitting down and discussing their differences.

to build a good relationship with each other again after having disagreements about something

After years of arguing, the two neighbors decided to bury the hatchet and become friends again.

to argue or fight until a disagreement is resolved

After hours of heated negotiations, the two companies finally decided to duke it out and reach a compromise on the merger deal.