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

But Michael Edney, who worked at the OLC under Bush, said the opinion’s reading of executive privilege was not unreasonable, given the importance that some presidents place on outside consultation.

— Perry Stein, Washington Post, 18 Oct. 2026
Both sides have accused each other of being unreasonable and of ignoring practical concerns about voting and election security, though in very different ways.

— Kevin Rector, Los Angeles Times, 17 Oct. 2026

Definition of unreasonable

Adjective

The taxpayers’ attorney, Abraham Wagner, cited four cases to support his argument that an IRS notice assessing additional taxes was invalid.

— Kaitlin Newkirk, The Conversation, 14 Oct. 2026
Caldara called for the rail district and the secretary of state’s office to deem Issue 7A invalid.

— Noelle Phillips, Denver Post, 7 Oct. 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 20 Oct. 2026.

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Synonyms of nonvalid

adjective

Example Sentences

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