1. to cause something or someone to lose credibility, authority, or legal standing; to undermine the legitimacy of
Usage: third-person singular present tense of 'delegitimate'; commonly used in political and social discourse

Examples

• The scandal delegitimates the government's authority to make policy decisions.
• Spreading false information delegitimates the credibility of news organizations.
• The court ruling delegitimates the previous agreement between the two parties.
• Corruption delegitimates democratic institutions in the eyes of citizens.
• The leaked documents delegitimate the company's claims about safety standards.
• Such behavior delegitimates the entire profession in public opinion.