1. a person who engages in petty arguments or quarrels

Examples

• The constant bickerer in our group made every meeting unpleasant.
• She was known as a bickerer who would argue about the smallest details.
• The siblings were notorious bickerers, fighting over everything from toys to TV channels.
• As the office bickerer, he complained about every new policy change.
• The teacher separated the two bickerers to different sides of the classroom.
• Nobody wanted to work with the team’s biggest bickerer on the project.