NONVALID Synonyms: 107 Similar and Opposite Words

nonvalid

adjective

ˌnän-ˈva-ləd

Definition of nonvalid

as in unreasonable

having no basis in reason or fact a nonvalid theory that most scientists rejected long ago

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Antonyms & Near Antonyms

as in invalid

having no legal or binding force failure to inform the suspect of his rights rendered his confession nonvalid

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Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for nonvalid

Adjective

Your expectations of your stepsons aren’t unreasonable at all.

— R. Eric Thomas, Mercury News, 27 Aug. 2026
If the prosecution’s version of the evidence is reasonable and the defense’s is unreasonable, then that is not reasonable doubt.

— Christine Pelisek, PEOPLE, 25 Aug. 2026

Definition of unreasonable

Adjective

An immigrant who overstays their short-term visa is already breaking the law, so the new policy will revoke visas that are already invalid, Martínez-Beltrán explains.

— Brittney Melton, NPR, 26 Aug. 2026
Smith added that the trial occurred right around the time a new rule regarding peremptory challenges — motions by either side that exclude a juror — went into effect, making several reasons given by prosecutors to challenge a juror invalid.

— Caelyn Pender, Mercury News, 21 Aug. 2026

Definition of invalid

Adjective

For one, null results—in this case, findings that are not unusual or revelatory—are still useful.

— Jackie Flynn Mogensen, Scientific American, 4 June 2026
However, in the face of an increasing number of null results, most notably in studies published in late 2025, most physicists now agree that this sterile neutrino doesn’t exist.

— Quanta Magazine, Quanta Magazine, 8 Apr. 2026

Definition of null

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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nonuses

nonvalid

nonvenomous

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“Nonvalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonvalid. Accessed 4 Sep. 2026.

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Synonyms of nonvalid

adjective

Example Sentences

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