Definition of unsubstantiated in English:



  • Not supported or proven by evidence.

    ‘unsubstantiated claims’
    • ‘He has built his academic career on unsubstantiated claims that he is a Native American.’
    • ‘Such outlandish and unsubstantiated claims should provoke skepticism in all but the most gullible.’
    • ‘The Web site is filled with extraordinary but unsubstantiated claims regarding their cipher.’
    • ‘The US government has placed blame on the magazine for printing an unsubstantiated and uncorroborated story of this magnitude.’
    • ‘There have been unsubstantiated claims of low-level intimidation in Dublin through this canvass.’
    • ‘This article is loaded with ex cathedra statements, unsubstantiated claims, and inaccuracies.’
    • ‘They argued his claim was unsubstantiated and, even if true, had been calculated incorrectly.’
    • ‘With the flamboyant, unsubstantiated claims come exaggerated insults directed at anyone who criticises or questions his work.’
    • ‘Companies often make wild and unsubstantiated claims about their products.’
    • ‘Complaints revolved around the completely unsubstantiated claims of 70 per cent absorption.’
    • ‘He said there were allegations that the teacher may have struck out at the pupil first, but this claim was unsubstantiated.’
    • ‘The county council has always maintained that these claims are unsubstantiated.’
    • ‘Now that they have lost that argument, they have moved on to unsubstantiated claims of financial ruin for pubs.’
    • ‘People in the public eye, he says, are never allowed to forget even unsubstantiated claims of wrong-doing.’
    • ‘Another disquieting feature of the assessment report is the unsubstantiated claims of illness provided by the mother.’
    • ‘Last month he was given leave by a court in California to sue the Illinois-based lawyer of a woman who made unsubstantiated rape claims against him.’
    • ‘Educational personnel were the single most likely group to make unsubstantiated claims of child abuse.’
    • ‘However the research establishment simply see unsubstantiated claims, and a lack of scientific rigour.’
    • ‘Indeed, he did not himself acknowledge that he had recycled an unsubstantiated claim without any evidence that it was true.’
    • ‘There are many unsubstantiated claims out there, and skeptics cannot possibly evaluate all of them.’
    unconfirmed, unsupported, uncorroborated, not backed up by evidence, unverified, unattested, unproven, not validated, untested
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