Definition of validity in English:



  • 1[mass noun] The quality of being logically or factually sound; soundness or cogency.

    ‘one might question the validity of our data’
    • ‘This convergence of results across studies using different, complementary methods attests to the validity of the findings.’
    • ‘This questionnaire has adequate reliability and validity.’
    • ‘They too have their validity to offer to the reader.’
    • ‘The assessment of content validity is a subjective judgment by the investigator, observer, or groups of subject matter experts.’
    • ‘In the latter case, you may decide to assess the validity of such views or come up with a better interpretation of your own.’
    • ‘Secondly, even granting validity, the argument is still unsound as its two main premises are either simply false or, at best, highly controversial.’
    • ‘A proof may be messy, dreary, tedious, or look like a joke, but there must be an unequivocal criterion for its validity, even if accessible to but a few specialists.’
    • ‘It is methodologically challenging to establish the validity of either mother or father reports of father involvement, particularly when parents do not agree.’
    • ‘In principle, considerations about generalisability should not affect the internal validity inherent in a well performed randomised controlled clinical trial.’
    • ‘Secondly, question the validity of the information.’
    • ‘Several general practitioners were lost to follow up, which threatens the internal validity of the trial.’
    • ‘Of its factual validity, there can be little question.’
    • ‘The external validity of these findings requires further proof.’
    • ‘Given this methodological limitation, the external validity of the present findings is clearly an issue.’
    • ‘The validity of the data may have been affected in several ways.’
    • ‘This characterization seeks to move beyond judging the absolute truth value of a propagandist statement (since often those propagandizing believe fully in the validity of their messages).’
    • ‘I'd like to defend the validity of this comparison.’
    • ‘One can hardly expect a national drug policy to be effective when serious questions may arise over the validity of the estimates on which it is based.’
    • ‘In addition, the validity of peer ratings has been extensively investigated in military settings, suggesting that the peer measure has served us well.’
    • ‘Triangulation is one way to increase the validity of a qualitative study.’
    soundness, reasonableness, rationality, Logic, justifiability, defensibility, sustainability, plausibility, viability, bona fides, effectiveness, cogency, power, credibility, believability, force, strength, weight, foundation, substance, substantiality, authority, reliability
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    1. 1.1The state of being legally or officially binding or acceptable.
      ‘return travel must be within the validity of the ticket’
      • ‘In many instances, those who pitted the "spirit" of the Council against what the Council actually said undermined the very validity of canon law.’
      • ‘In summary, it is possible to suggest that the principles governing the validity of parental consent to research are as follows.’
      • ‘Many judges in America are questioning the validity of the sentencing guidelines.’
      • ‘However, according to the applicant, nothing he did or did not do should affect the validity of the agreement.’
      • ‘Individuals could also be naturalised as subjects, but naturalisation held only in the place where it had been granted, and had no validity elsewhere in the Empire.’
      • ‘First, it questions the validity of the electoral registry.’
      • ‘The minister was asked what guidance had been issued on the validity of fatwas and of other rulings issued by religious authorities to decide matrimonial disputes.’
      • ‘This step is a safety mechanism to prevent prescription forgery because each number can be checked to verify its validity.’
      • ‘So any publication thereafter would not destroy any validity that this patent might have?’
      • ‘In many cases consent was obtained by Government officials through fraud, coercion or misrepresentation, tactics which annulled the validity of such consent.’
      • ‘They refused to recognise the appointment, and announced plans for a legal challenge against the validity of the new government.’
      • ‘It is now clear that the other type of living will is effective in English law, subject to certain tests for validity.’
      • ‘There is, to be sure, a measure of validity to the identification.’
      • ‘When road maintenance charges were applied to interstate vehicles in 1933, there were a number of test cases on their constitutional validity.’
      legal acceptability, authenticity, correctness, bona fides, genuineness
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