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
Jennifer Sinco Kelleher, Fortune, 22 Jan. 2026
The Clintons argue that the subpoenas are invalid.
—Stephen Groves, Los Angeles Times, 21 Jan. 2026
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
See All Example Sentences for invalid
Adjective
Court documents contained no explanation of why, in an industry focused on flight and airport safety, the airlines didn’t recognize the credentials as invalid.
—Jennifer Sinco Kelleher, Fortune, 22 Jan. 2026
The Clintons argue that the subpoenas are invalid.
—Stephen Groves, Los Angeles Times, 21 Jan. 2026
Verb
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
See All Example Sentences for invalid
Recent Examples of Synonyms for invalid
Verb
-
And so unfortunately, there's a lot of conflicts that might impair their judgment about certain interventions that are a high, high profit.—
Will Carless,
USA Today,
22 Jan. 2026
-
Drivers who are actively impaired by the effects of marijuana at the time of being pulled over can still be charged with a DUI.—
Josh Kelly,
Oklahoman,
20 Jan. 2026
Verb
-
My father had said to me, My heart hurt more than my body—the flesh can take blows, the heart suffers them.—
Literary Hub,
Literary Hub,
28 Jan. 2026
-
Three other people were also hurt in that crash.—
Megan De Mar,
CBS News,
28 Jan. 2026
Verb
-
Under her, the department is harming citizens, not protecting them.—
Arkansas Online,
Arkansas Online,
27 Jan. 2026
-
Afterwards, several of the people in the car with Vega-Mendoza said they were terrified of being harmed by their pursuers.—
Nate Gartrell,
Mercury News,
27 Jan. 2026
Verb
-
Some government offices and financial institutions were damaged during the unrest, residents said, while merchants reported being ordered to reopen businesses despite ongoing security operations.—
Landon Mion,
FOXNews.com,
13 Jan. 2026
-
The gunfire damaged the car’s rear end, trunk, tail light and rear window louver, according to court documents.—
Mark Price,
Charlotte Observer,
13 Jan. 2026
Verb
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Patrick Gary Schlegel, 34, of Sahuarita, was shot and critically injured, according to authorities.—
Natalie Neysa Alund,
USA Today,
28 Jan. 2026
-
Kevin De Bruyne got injured in October and hasn’t featured since.—
James Horncastle,
New York Times,
28 Jan. 2026
Verb
-
Gentry had both of those things, but he is headed to the NFL after exhausting his eligibility.—
Haley Sawyer,
Oc Register,
22 Jan. 2026
-
With costs accelerating and incremental fixes exhausted, healthcare is approaching a breaking point.—
Robert Pearl,
Forbes.com,
21 Jan. 2026
Verb
-
The only time the Fitzgerald made it to its homeport of Milwaukee was when the ship was laid up during the 1959 steel strike, from June to October.—
Caitlin Looby,
jsonline.com,
4 Nov. 2025
-
Female moths can lay up to 500 eggs at a time.7 Pantry moths are most destructive in their larval stage, so discouraging this stage will help prevent the infestation from spreading.—
Lauren Wicks,
Southern Living,
28 Oct. 2025
Verb
-
When engagement sits at 20% globally, that means 8 out of 10 people show up to jobs that deplete them.—
Vibhas Ratanjee,
Forbes.com,
27 Jan. 2026
-
The Capitol Corridor shares a fleet of locomotives with the San Joaquin Joint Powers Authority, but a pool of standby backup trains has been depleted.—
Don Sweeney,
Sacbee.com,
26 Jan. 2026
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 29 Jan. 2026.
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