1. the act of proving that something is wrong or false
2. evidence or argument that proves something is wrong or false

Examples

• The scientist’s refutation of the theory was based on new experimental data.
• Her refutation of his claims was thorough and convincing.
• The lawyer presented a strong refutation of the witness’s testimony.
• The article offered a detailed refutation of the popular myth.
• His refutation relied on statistical evidence and expert opinions.
• The debate ended with a complete refutation of the opponent’s argument.