1. to make or become better; to improve
Usage: formal

Examples

• The new policies were designed to meliorate working conditions in the factory.
• Time and proper treatment helped meliorate her symptoms.
• The city council hopes the new park will meliorate tensions in the neighborhood.
• Education can meliorate the effects of poverty on children.
• The medication helped meliorate his chronic pain.
• Diplomatic efforts were made to meliorate the conflict between the two nations.