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
Andy Greder, Twin Cities, 20 Oct. 2025
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
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
The reference, of course, is to the invalid fair catch signal penalty that was flagged on Iowa punt returner Cooper DeJean’s 54-yard touchdown run in the Floyd of Rosedale rivalry game in October 2023.
—Andy Greder, Twin Cities, 20 Oct. 2025
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
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
-
Decades of international isolation had severely impaired its development.—
Miami Herald,
Miami Herald,
7 Nov. 2025
-
This, in turn, impairs metabolism of fat stores, which impacts the way in which the body manages its energy and can worsen heart and metabolic conditions like diabetes, stroke, and heart disease.—
New Atlas,
New Atlas,
7 Nov. 2025
Verb
-
Thomas hurt his hamstring repeatedly last year, which limited him to 25 games.—
Eric Koreen,
New York Times,
6 Nov. 2025
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This insanity has to stop before anyone else gets hurt.—
Emma Bussey,
FOXNews.com,
6 Nov. 2025
Verb
-
No human journalist was harmed in this experiment.—
CA Earthquake Bot,
Sacbee.com,
6 Nov. 2025
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They are hurt and they are harmed by the article, and also they are disgusted by some of the things that were said in the article.—
Anna Skinner,
MSNBC Newsweek,
5 Nov. 2025
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
-
Across Japan, at least 13 people have been killed and more than 100 injured since April this year, according to government figures – the highest numbers since records began in 2006.—
Jessie Yeung,
CNN Money,
7 Nov. 2025
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Four students and the Suburban's driver were transported to a local hospital, Murphy said, adding that the bus driver was not injured.—
Arkansas Online,
Arkansas Online,
6 Nov. 2025
Verb
-
The team concentrated on stars that had recently entered the post-main sequence phase, having exhausted their hydrogen, and identified just 130 planets and planet candidates orbiting nearby – 33 of which had not been detected before.—
Bojan Stojkovski,
Interesting Engineering,
8 Nov. 2025
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Despite these real dangers, our law enforcement shows incredible restraint in exhausting all options before force is escalated.—
James Hill,
ABC News,
7 Nov. 2025
Verb
-
Tyrese Haliburton #0 of the Indiana Pacers attempts a lay up against Miles McBride #2 and Mitchell Robinson #23 of the New York Knicks during the third quarter in Game Four of the Eastern Conference Finals of the 2025 NBA Playoffs at Gainbridge Fieldhouse on May 27, 2025 in Indianapolis, Indiana.—
Alex Kirschenbaum,
MSNBC Newsweek,
19 Sep. 2025
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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
Verb
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Due to the ongoing federal government shutdown, regular funds for the Supplemental Nutrition Assistance Program – also known as SNAP, food stamps and CalFresh in California – were depleted at the end of October.—
Nicole Nixon,
Sacbee.com,
10 Nov. 2025
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Arizona’s cities have been shielded from existing cuts for the past three years by agreements with tribes and through compensation from fast-depleting pools of federal money.—
Austin Corona,
AZCentral.com,
10 Nov. 2025
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 13 Nov. 2025.
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