as in fragile
chronically or repeatedly suffering from poor health
an old and now invalid woman who rarely gets out anymore
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
1
as in null
having no legal or binding force
the treaty is invalid once one side violates it
Synonyms & Similar Words
Antonyms & Near Antonyms
2
as in erroneous
not being in agreement with what is true
that's an invalid assumption on your part
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in unreasonable
not using or following good reasoning
an argument which has one untrue premise is invalid
Synonyms & Similar Words
Antonyms & Near Antonyms
4
as in unsupported
having no basis in reason or fact
an invalid claim that can be easily disproved by the facts
Synonyms & Similar Words
Antonyms & Near Antonyms
as in to impair
Related Words
Dissimilar Words
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
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Recent Examples of invalid
Caroline Frost, Deadline, 16 Mar. 2025
DeSantis's office has said all options are on the table for their fight, but a legal ruling invaliding the agreement that currently gives Disney near-total control of the district would be the easiest resolution for the governor's headache.
—Jack Birle, Washington Examiner, 8 Apr. 2023
JSTOR Daily, 17 Oct. 2025
An international arbitral tribunal in The Hague rejected China’s sweeping claims in a 2016 ruling that Beijing continues to dismiss as invalid.
—Micah McCartney, MSNBC Newsweek, 16 Oct. 2025
See All Example Sentences for invalid
Adjective
If this is ascertained, the BBC quotes an LA attorney saying this would render Hackman’s will invalid, and mean his children could have a claim to the estate.
—Caroline Frost, Deadline, 16 Mar. 2025
DeSantis's office has said all options are on the table for their fight, but a legal ruling invaliding the agreement that currently gives Disney near-total control of the district would be the easiest resolution for the governor's headache.
—Jack Birle, Washington Examiner, 8 Apr. 2023
Verb
If any provision of this Act or the application thereof to any person or circumstances is held invalid, the remainder of the Act and the application of the provision to other persons not similarly situated or to other circumstances shall not be affected thereby.
—JSTOR Daily, 17 Oct. 2025
An international arbitral tribunal in The Hague rejected China’s sweeping claims in a 2016 ruling that Beijing continues to dismiss as invalid.
—Micah McCartney, MSNBC Newsweek, 16 Oct. 2025
See All Example Sentences for invalid
Recent Examples of Synonyms for invalid
Verb
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Their heart rates were higher, and their insulin function was impaired the following morning.—
Rowan Jacobsen,
Harpers Magazine,
24 Oct. 2025
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Kinman's mother, December Mitchell, and stepfather, Jonathan Mitchell, were charged with tampering with and fabricating physical evidence to impair a human corpse, which is a second-degree felony.—
Landon Mion,
FOXNews.com,
22 Oct. 2025
Verb
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But something always hurts that late in a marathon.—
Nicholas Thompson,
The Atlantic,
23 Oct. 2025
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The perception of Trump clearing the way for the Ellisons in the US could hurt them in other markets, sources said.—
Brian Stelter,
CNN Money,
23 Oct. 2025
Verb
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Fentanyl poisoners who harm and exploit others will be held accountable.—
Wesley Stenzel,
Entertainment Weekly,
30 Oct. 2025
-
The states’ lawsuit warned that discontinuing the grant funding would irreparably harm students, leaving many rural and low-income schools without mental health providers or services critical to students’ safety and well-being.—
Molly Gibbs,
Mercury News,
29 Oct. 2025
Verb
-
Cuomo has sought to cast Mamdani, a 34-year-old state assemblymember, as a naive candidate whose agenda would damage the city.—
Jason Ma,
Fortune,
27 Oct. 2025
-
The three suspects damaged property and smashed several iPads taken from a special education classroom, according to a Facebook post by the Chandler Police Department.—
Wren Smetana,
AZCentral.com,
26 Oct. 2025
Verb
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Earlier, the agency said a man in his 70s was killed by a falling tree in the southern coastal town of Marigot, while five people were injured in the Artibonite region.—
Josh Cradduck,
NBC news,
24 Oct. 2025
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Unless another boy was injured, a boy with a father who resembled me.—
Literary Hub,
Literary Hub,
24 Oct. 2025
Verb
-
The group exhausts and irritates opposing pitchers.—
Andy McCullough,
New York Times,
25 Oct. 2025
-
However, the players named in the probe have already exhausted their eligibility.—
Chantz Martin,
FOXNews.com,
25 Oct. 2025
Verb
-
Adult female flies can lay up to 400 eggs at a time, and each larva in a human patient has to be physically dug out from infected flesh.—
Jon Brodkin,
ArsTechnica,
25 Aug. 2025
-
Walking up the eighteenth hole, Woad laid up into the par-5 finisher before sticking a 3/4 wedge to 2 feet to seal the tournament.—
Mike Fore,
Forbes.com,
27 July 2025
Verb
-
Wide receiver Garrett Wilson is out with a knee injury, and running back Breece Hall is questionable with a knee issue, further depleting the Jets' offensive options.—
Ben Verbrugge,
MSNBC Newsweek,
26 Oct. 2025
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The plug-in hybrid now offers an electric-only range of about 80 miles, while overall efficiency improves to the equivalent of 84 miles per gallon once the battery is depleted.—
Bojan Stojkovski,
Interesting Engineering,
25 Oct. 2025
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 30 Oct. 2025.
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