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.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
Jack Murtagh, Scientific American, 12 Aug. 2025
Previously, Local 140 in Warren approved the charges twice after the first vote — held at a regular local meeting, not a special meeting — was rendered invalid.
—Liam Rappleye, Freep.com, 6 Aug. 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 the result is not a multiple of 10, then the credit card number is invalid.
—Jack Murtagh, Scientific American, 12 Aug. 2025
Previously, Local 140 in Warren approved the charges twice after the first vote — held at a regular local meeting, not a special meeting — was rendered invalid.
—Liam Rappleye, Freep.com, 6 Aug. 2025
See All Example Sentences for invalid
Recent Examples of Synonyms for invalid
Verb
-
But, according to prosecutors, that didn’t stop him from driving impaired in East Boston on Monday when police arrested him on charges of operating under the influence of drugs — a fourth offense — driving to endanger and two counts of leaving the scene of an accident.—
Flint McColgan,
Boston Herald,
28 Aug. 2025
-
The bank said Constellation’s sales and margins could be impaired by further downside potential in beer industry consumption.—
Fred Imbert,
CNBC,
26 Aug. 2025
Verb
-
The alcohol measure was tied to the percentage of residents who reported at least occasional heavy or binge drinking, and this measure also hurt Arizona.—
Russ Wiles,
AZCentral.com,
25 Aug. 2025
-
Investigators say the woman driving the Traverse suffered minor injuries, but the drivers of the other two vehicles were not hurt, officials said.—
Mark Price,
Miami Herald,
25 Aug. 2025
Verb
-
Jackson also had little interest in hearing that the government would be harmed by paying out the grants in the meant time.—
John Timmer,
ArsTechnica,
21 Aug. 2025
-
The stunned fish are not harmed and released after being identified.—
Aspen Pflughoeft,
Miami Herald,
21 Aug. 2025
Verb
-
Hailey has an even rarer type of the illness, an extreme form of hemophilia B. That means bleeding inside his body could damage organs or tissue and quickly put his life at risk.—
Beth Warren,
The Tennessean,
21 Aug. 2025
-
The suspect, Kevin Charles Pyles, allegedly admitted to wanting to damage the synagogue and blamed minorities for his unemployment, officials say.—
Jose R. Gonzalez,
AZCentral.com,
20 Aug. 2025
Verb
-
Substantially damaging or injuring a neighbor's tree could leave you liable to fees or fines for damages, something that can quickly get expensive, according to state law.—
Keely Doll,
Louisville Courier Journal,
30 Aug. 2025
-
The name of the man who shot and injured two deputies has not been released.—
Enquirer staff,
The Enquirer,
30 Aug. 2025
Verb
-
Their unvarnished alt-rock was led by wild-eyed singer Matt Shultz, a human rubber band who exhausted himself despite his vocals disappearing into the strong breeze.—
Melissa Ruggieri,
USA Today,
26 Aug. 2025
-
Our teams have exhausted all resources and personnel over the last 20 days.—
ABC News,
ABC News,
21 Aug. 2025
Verb
-
Both players once again laid up and were each lucky to even par the hole.—
Kendall Capps,
MSNBC Newsweek,
8 June 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
-
Projections show it could be depleted by 2034 if no policy changes are made.—
Andrew Rosen,
Forbes.com,
21 Aug. 2025
-
The impact on consumers is expected to become more pronounced later in the year as companies’ existing inventory is depleted.—
Anne D’Innocenzio,
Twin Cities,
20 Aug. 2025
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 4 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share