1. impossible to deny or disprove; undeniable

Examples

• The DNA evidence provided irrefutable proof of his innocence.
• Her argument was backed by irrefutable facts and statistics.
• The scientist presented irrefutable data supporting the theory.
• The video footage was irrefutable evidence of what happened.
• His alibi was irrefutable—he was clearly somewhere else at the time.
• The mathematical proof was irrefutable and convinced all the experts.