1. the process of charging a public official with misconduct in office
Usage: political/legal
2. the act of calling into question or challenging the credibility of something
Usage: formal

Examples

• The House of Representatives voted on the impeachment of the president.
• Impeachment proceedings began after the corruption scandal broke.
• The senator faced impeachment for violating ethics rules.
• His impeachment was based on charges of abuse of power.
• The witness’s impeachment of the defendant’s testimony was crucial.
• The lawyer’s impeachment of the evidence weakened the case.
• Impeachment requires a majority vote in the House.