She has an altercative personality.

There was a heated altercation between the two neighbors.

They altercate over the smallest things.

There were several altercations at the party last night.

He altercates with his neighbors over the property boundary.

They altercated over the last piece of cake.

They were altercating loudly in the middle of the street.

The altercator was known for starting arguments at every opportunity.

The altercators were causing a disturbance at the party.