1. a change made to improve a system, organization, or law

1. to make changes to improve something
2. to stop behaving badly and start behaving in a better way

Examples

• The government announced major healthcare reforms.
• Educational reform is needed to improve student outcomes.
• The company decided to reform its hiring practices.
• Prison programs aim to reform criminals.
• He promised to reform his bad habits.
• The new law will reform the tax system.
• Social reforms helped improve working conditions.