Definition of validity in English:



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

    ‘one might question the validity of our data’
    • ‘Given this methodological limitation, the external validity of the present findings is clearly an issue.’
    • ‘This convergence of results across studies using different, complementary methods attests to the validity of the findings.’
    • ‘It is methodologically challenging to establish the validity of either mother or father reports of father involvement, particularly when parents do not agree.’
    • ‘In addition, the validity of peer ratings has been extensively investigated in military settings, suggesting that the peer measure has served us well.’
    • ‘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 principle, considerations about generalisability should not affect the internal validity inherent in a well performed randomised controlled clinical trial.’
    • ‘Secondly, even granting validity, the argument is still unsound as its two main premises are either simply false or, at best, highly controversial.’
    • ‘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).’
    • ‘The validity of the data may have been affected in several ways.’
    • ‘They too have their validity to offer to the reader.’
    • ‘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.’
    • ‘Secondly, question the validity of the information.’
    • ‘Triangulation is one way to increase the validity of a qualitative study.’
    • ‘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.’
    • ‘The external validity of these findings requires further proof.’
    • ‘This questionnaire has adequate reliability and validity.’
    • ‘I'd like to defend the validity of this comparison.’
    • ‘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.’
    soundness, reasonableness, rationality, logic, justifiability, defensibility, sustainability, plausibility, viability, bona fides, effectiveness, cogency, power, credibility, believability, force, strength, weight, foundation, substance, substantiality, authority, reliability
    View synonyms
    1. 1.1 The 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 many cases consent was obtained by Government officials through fraud, coercion or misrepresentation, tactics which annulled the validity of such consent.’
      • ‘However, according to the applicant, nothing he did or did not do should affect the validity of the agreement.’
      • ‘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.’
      • ‘In summary, it is possible to suggest that the principles governing the validity of parental consent to research are as follows.’
      • ‘First, it questions the validity of the electoral registry.’
      • ‘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?’
      • ‘There is, to be sure, a measure of validity to the identification.’
      • ‘Many judges in America are questioning the validity of the sentencing guidelines.’
      • ‘When road maintenance charges were applied to interstate vehicles in 1933, there were a number of test cases on their constitutional validity.’
      • ‘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.’
      • ‘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.’
      legal acceptability, authenticity, correctness, bona fides, genuineness
      View synonyms