1. the quality or state of being impossible to disprove or refute; the condition of being beyond dispute or contradiction
Usage: formal; abstract noun

Examples

• The irrefutability of the scientific evidence convinced even the skeptics.
• She argued for the irrefutability of the historical record.
• The irrefutability of his logic left no room for counterargument.
• Mathematical proofs are valued for their irrefutability.
• The witness's testimony had an irrefutability that swayed the jury.