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
Alden Abbott, Forbes.com, 4 June 2025
While importation laws require all dogs to have a health certificate, foreign paperwork is commonly invalid or forged, according to the U.S. Centers for Disease Control and Prevention.
—Sheila Goffe, Boston Herald, 3 June 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
That some of the claims of the key EPC patents were invalid and should never have been granted in the first place.
—Alden Abbott, Forbes.com, 4 June 2025
While importation laws require all dogs to have a health certificate, foreign paperwork is commonly invalid or forged, according to the U.S. Centers for Disease Control and Prevention.
—Sheila Goffe, Boston Herald, 3 June 2025
See All Example Sentences for invalid
Recent Examples of Synonyms for invalid
Verb
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Presumably, this would be most valuable to people with attention deficit disorder, or other conditions that impair their sense of organization.—
John Werner,
Forbes.com,
30 June 2025
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Alcohol intake also speeds up the heart rate and widens blood vessels, bringing an initial warmth to the skin, and impairs the body’s ability to regulate temperature, research has shown.—
Angelica Stabile,
FOXNews.com,
30 June 2025
Verb
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This would hurt even the most polished comedy or the most clockwork heist movie, let alone one that hopes to be both.—
Siddhant Adlakha,
Variety,
26 June 2025
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The statement, signed by groups including the Law Society of Kenya, Police Reforms Working Group and the Kenya Medical Association, said 83 of those hurt had serious injuries and at least eight protesters were treated for gunshot wounds.—
Larry Madowo,
CNN Money,
25 June 2025
Verb
-
New York legalized adult-use cannabis in 2021 with a bold proposition: put the people harmed by prohibition at the center of legalization.—
Javier Hasse,
Forbes.com,
2 July 2025
-
Common disorders: Conditions like insomnia, depression, perimenopause, menopause, and sleep apnea can disrupt sleep and harm your health.—
Emily Brown,
Verywell Health,
30 June 2025
Verb
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But opponents contend that industrial animal agriculture actually jeopardizes food security, by damaging local ecosystems, undermining traditional agricultural practices, and intensifying climate harms.—
Christine Ro,
Forbes.com,
1 July 2025
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Don't use harsh cleaners, which can damage the grates.—
Daley Quinn,
Southern Living,
1 July 2025
Verb
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Clark has been injured and has struggled lately, going just 13-of-47 from three-point territory in her last three games and missing six of the Indiana Fever's 16 games this season.—
Ryan Morik,
FOXNews.com,
1 July 2025
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At least 968 civilians were killed and over 4,800 injured.—
Katya Soldak,
Forbes.com,
1 July 2025
Verb
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Unlike many other raptors that rely on sudden ambush attacks, the gyrfalcon excels at long chases across tundra and icy terrain, often locking onto prey and keeping pursuit until the target is exhausted.—
Scott Travers,
Forbes.com,
29 June 2025
-
Frankly, Angelina is exhausted, but she is relieved this one part is over.—
Emily Trainham,
FOXNews.com,
24 June 2025
Verb
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Considering a mature colony can include up to 400,000 worker ants, a queen can lay up to 1,000 eggs a day, and that there can be several colonies per acre of land, fire ants can sometimes seem like the perfect pest.—
Gareth McGrath,
USA Today,
28 June 2025
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Females can lay up to 100 eggs during a lifetime, which hatch in three to six weeks.—
Arricca Elin SanSone,
Southern Living,
27 June 2025
Verb
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Over the course of watering flower and plant containers, the soil can become depleted.—
Rebecca Jones,
Southern Living,
25 June 2025
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Once the fund's reserves become depleted, Medicare would be able to cover only 89% of costs for patients' hospital visits, hospice care and nursing home stays or home health care that follow hospital visits.—
Arkansas Online,
Arkansas Online,
19 June 2025
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 7 Jul. 2025.
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