1. in a way that cannot be denied or disproved

Examples

• The DNA evidence irrefutably proved his innocence.
• She had irrefutably demonstrated her expertise in the field.
• The data irrefutably shows that climate change is occurring.
• His alibi was irrefutably solid.
• The theorem was irrefutably proven by the mathematician.
• The witness testimony irrefutably contradicted the defendant’s story.