Definition of conclusive in US English:



  • 1(of evidence or argument) serving to prove a case; decisive or convincing.

    ‘conclusive evidence’
    ‘the findings were by no means conclusive’
    • ‘I am not convinced that it is possible to provide a conclusive argument to show that paternalism is never in principle justified in any such case.’
    • ‘This in itself is a flawed methodology to find any conclusive evidence of cause and effect.’
    • ‘Whether that would have given within the reasonable time some conclusive evidence, I do not know.’
    • ‘There are a couple of theories about what her real name might be but there's no real conclusive evidence about who this woman was.’
    • ‘Mr. Leidy would give his conclusive evidence and I would be found guilty.’
    • ‘Mr Emery said the diggers will look for evidence of a shaft which would be conclusive proof that it was a well.’
    • ‘This adds up to fairly conclusive evidence that the butcher is the place to go both for quality and cost, but are we losing the shopping skills required?’
    • ‘A series of tests run over the past 24 hours provided conclusive evidence of the poisoning, Zimpfer said.’
    • ‘Not for the faint of heart, the easily bored or those expecting a conclusive ending.’
    • ‘Unfortunately not enough conclusive evidence for the effect of Fumonisins on humans has been collected.’
    • ‘Sometimes, you have a conclusive evidence right away so the arrest is usually sooner.’
    • ‘Anti-fluoride campaigners say there is no conclusive evidence that fluoridation is safe or prevents decay.’
    • ‘There are Government sites that cautiously say there is ‘no conclusive evidence’ of danger.’
    • ‘In recent days the Pentagon has indicated that a lack of any conclusive evidence has convinced officials that Speicher is dead.’
    • ‘Pictures of the incident in the following morning's newspapers appeared to offer conclusive evidence of his menace.’
    • ‘There is conclusive evidence that passive smoking causes lung cancer and coronary heart disease in adults.’
    • ‘They are worried that conclusive evidence of the banned programs will turn up at any moment.’
    • ‘But unless conclusive evidence proves this we cannot authenticate any of these findings.’
    • ‘The fact that the US has declined to provide conclusive evidence to the contrary naturally bolsters such conjecture.’
    • ‘Finally there is the preparation of the final record reflecting those decisions which is given the status of conclusive evidence.’
    incontrovertible, incontestable, irrefutable, unquestionable, undeniable, indisputable, unassailable, beyond dispute, beyond question, beyond doubt, beyond a shadow of a doubt, certain, decisive, convincing, clinching, definitive, definite, positive, final, ultimate, categorical, demonstrative, unequivocal, unarguable, unanswerable, uncontroversial
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    1. 1.1 (of a victory) achieved easily or by a large margin.
      • ‘In the end the victory margin of seven points was conclusive but that twenty minutes of easing off was worrying for Ollie and Joey.’
      • ‘The defeat of Blair was in no way a conclusive victory for the Conservative party.’
      • ‘The Wehrmacht's rapid and conclusive victory over the French convinced Hitler and not a few of his generals that he was a military genius.’
      • ‘Guyon achieves what he has sworn at the outset of the poem, but his victory is not conclusive.’
      • ‘Yet yesterday, under closer scrutiny, the triumph did not appear quite so conclusive.’
      • ‘After the votes were counted the result was conclusive.’
      • ‘While not a landslide, Trudeau's victory was conclusive.’
      • ‘The conclusive victory was narrow, but Celtic's command of the championship utterly emphatic.’
      • ‘What is more, this victory was conclusive, because the outcome of a civil war is definitive.’
      emphatic, resounding
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Late 16th century (in the sense ‘summing up’): from late Latin conclusivus, from Latin conclus- ‘closed up’, from the verb concludere (see conclusion).