nonvalidity

/ˌnɑnvəˈlɪdəti/
noun
  1. The state or quality of being invalid, not acceptable, or not legally or logically sound.
    • The lawyer argued the nonvalidity of the old will in court.
    • The experiment's nonvalidity was due to flawed data collection.
    • The nonvalidity of the ticket meant she couldn't enter the concert.
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What does "nonvalidity" mean? | whatsthatwordmean | whatsthatwordmean