conclusive evidence — decisive evidence
collocationC1IELTS 7+neutraloccasional
evidence that is so strong and clear that it leaves no doubt and proves something completely.
Say it like a native
Textbook The findings were of a definitive and irrefutable character.
Native The evidence was conclusive.
'Definitive and irrefutable character' is overwrought; 'conclusive' carries the whole idea.
Pattern: conclusive evidence (of/that + clause)
In use
- The DNA results provided conclusive evidence that he was at the scene.study
- In my opinion, before making any major changes to the education system, policymakers should wait for conclusive evidence that the new methods actually improve student outcomes.IELTS speaking
Common mistake
✗ They found conclusive evidences.
✓ They found conclusive evidence.
'Evidence' is uncountable — no plural.
Common collocations
conclusive evidence— no, find, lack of, proof
Don't confuse it
'Conclusive evidence' is stronger than 'strong evidence' or 'clear evidence.' It means the matter is settled and no further proof is needed.