irrefragable
/ɪˈrɛfrəɡəbəl/
adjective
- Impossible to refute, disprove, or deny; absolutely certain and conclusive.
- The detective presented irrefragable proof that the suspect was at the scene.
- Her logic was irrefragable, so everyone accepted her conclusion.
- The scientist offered irrefragable data that supported the new theory.
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