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
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Recent Examples of invalid
Greg Evans, Deadline, 29 Dec. 2025
The whole subsequent chain of transactions must be invalid.
—David Frum, The Atlantic, 27 Dec. 2025
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
He was later charged with driving with an invalid license.
—Greg Evans, Deadline, 29 Dec. 2025
The whole subsequent chain of transactions must be invalid.
—David Frum, The Atlantic, 27 Dec. 2025
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
-
Ruppe took a plea deal for involuntary manslaughter and driving while impaired in the death.—
Julia Coin
January 9,
Charlotte Observer,
9 Jan. 2026
-
By October of that year, Do and other doctors working for Liberty began billing California’s Subsequent Injuries Benefits Trust Fund, a workers’ compensation fund for individuals already disabled or impaired at the time of a workplace injury, according to the plea agreement.—
Andrew J. Campa,
Los Angeles Times,
8 Jan. 2026
Verb
-
After all, there are signs that the economy is improving (unemployment and inflation are declining), but after the economic struggles of recent years, and with household debt still high, an additional financing source won't hurt, either.—
Matt Richardson,
CBS News,
9 Jan. 2026
-
Critics say the practice has driven up home prices and hurt affordability, but some housing experts argue the president’s proposal would have minimal effect on overall housing supply.—
Alexandra Banner,
CNN Money,
9 Jan. 2026
Verb
-
Look for urea-free fertilizer that helps the plant absorb nitrogen more efficiently, and make sure to flush out the potting medium with plain water each month to prevent salt buildup that can harm the roots.—
Karen Brewer Grossman,
Southern Living,
8 Jan. 2026
-
The settlement is a landmark moment for Garcia, as well as other families who have claimed that their teens were harmed by what have been described as sexualized and interactive virtual companions.—
Sam Gillette,
PEOPLE,
8 Jan. 2026
Verb
-
Stay away from windows as flying debris generated by damaging winds can be deadly.—
NC Weather Bot,
Charlotte Observer,
10 Nov. 2025
-
According to Brown, Hurricane Michael damaged 80 percent of the park’s namesake trees, but through a project with the Florida Park Service and Atlanta Botanical Garden, seeds obtained from living trees are being grown and planted in the ravine habitat at Torreya State Park.—
Carrie Honaker,
Travel + Leisure,
9 Nov. 2025
Verb
-
When Dobbins was first injured, a source close to him said the best-case scenario for his return was if the Broncos made the Super Bowl.—
Parker Gabriel,
Denver Post,
10 Jan. 2026
-
Dellandrea was injured in the Sharks’ game on Tuesday against the Columbus Blue Jackets as his right leg struck the post after he was inadvertently tripped while driving to the net.—
Curtis Pashelka,
Mercury News,
10 Jan. 2026
Verb
-
The thought of having to tell the story of his illness again, even to herself, exhausts her.—
Sadia Shepard,
New Yorker,
11 Jan. 2026
-
Though designed to work alongside humans, Atlas is engineered to operate in conditions that would exhaust most human workers.—
New Atlas,
New Atlas,
10 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
-
But handing over that much oil to the United States may deplete Venezuela’s own oil reserves.—
David Goldman,
CNN Money,
7 Jan. 2026
-
However, from the first charging cycle, lithium deposits directly onto the copper, quickly depleting the electrolyte and creating an unstable solid electrolyte interphase (SEI).—
Chris Young,
Interesting Engineering,
6 Jan. 2026
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 12 Jan. 2026.
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