Thesaurus
Synonyms & Antonyms of nonvalid
1
having no basis in reason or fact
- a nonvalid theory that most scientists rejected long ago
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2
having no legal or binding force
- failure to inform the suspect of his rights rendered his confession nonvalid
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“Nonvalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonvalid. Accessed 21 Jan. 2022.
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The first known use of nonvalid was in 1803
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