1. people who compete against others, especially those in positions of authority or leadership
Usage: plural of challenger
2. people who question or dispute something
Usage: plural of challenger

Examples

• The incumbent mayor faced three challengers in the election.
• Several challengers emerged to compete for the championship title.
• The debate featured challengers who questioned the current policy.
• Young challengers are pushing for changes in the organization.
• The tennis tournament attracted top challengers from around the world.
• Political challengers criticized the government’s economic plan.
• The company’s challengers offered innovative alternatives to traditional methods.