His antagonizing remarks during the meeting only served to escalate the tension in the room.
antagonizingnoun
The act or process of provoking hostility or opposition.
Their constant antagonizing of the referee resulted in several penalties.
antagonizeverb
To cause someone to become hostile or unfriendly.
His constant teasing began to antagonize his classmates.
To act as an antagonist by blocking, neutralising, or counteracting the action of (a substance, receptor, or process), especially in a biochemical or pharmacological context.
The new antihistamine selectively antagonizes H1 receptors in the nasal passages.