irrefragability

/ɪˌrɛfrəɡəˈbɪləti/
noun
  1. The quality of being impossible to refute, disprove, or deny; absolute certainty or conclusiveness.
    • Her argument had a logical irrefragability that left no room for doubt.
    • The lawyer emphasized the irrefragability of the DNA test results in court.
    • The irrefragability of the scientific evidence convinced even the skeptics.
Antonyms