1. boxers who fight at close range, typically inside their opponent’s reach
Usage: boxing
2. people who engage in aggressive competition or conflict within an organization or group
Usage: informal

Examples

• The champion was known as one of the best infighters in heavyweight boxing.
• Infighters often have powerful hooks and uppercuts.
• The political infighters battled for control of the committee.
• Corporate infighters competed ruthlessly for the promotion.
• He preferred to stay outside against infighters who wanted to get close.
• The party’s infighters undermined the candidate’s campaign.
• Successful infighters know how to work the body in close quarters.