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
Maura Fox, San Diego Union-Tribune, 9 May 2026
The court is considering an appeal of a lower-court judge’s ruling that the amendment is invalid because lawmakers violated procedural requirements.
—Eric Tucker, Los Angeles Times, 7 May 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
In late April, the city said that fewer than 1% of responses were invalid or from outside the city’s ZIP codes.
—Maura Fox, San Diego Union-Tribune, 9 May 2026
The court is considering an appeal of a lower-court judge’s ruling that the amendment is invalid because lawmakers violated procedural requirements.
—Eric Tucker, Los Angeles Times, 7 May 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
Adjective
-
Proteins, which are made up of sequences of amino acids, are more robust than ancient DNA, a fragile molecule that degrades relatively easily.—
Katie Hunt,
CNN Money,
14 May 2026
-
The trouble was that the British economy was fragile—most mortgages in the UK at the time had variable rates, so raising interest rates would devastate British homeowners.—
Eva Roytburg,
Fortune,
14 May 2026
Adjective
-
Some free-speech experts at the time felt Disney had a chance to win that case, which revolved around erroneous statements made by ABC News anchor George Stephanopoulos.—
Meg James,
Los Angeles Times,
11 May 2026
-
Spoofing relies on transmitting false signals that mimic authentic satellite signals to trick signal receivers into calculating erroneous positions for aircraft and other users.—
Andrew Cunningham,
ArsTechnica,
11 May 2026
Adjective
-
This siloed approach places an unreasonable burden on manufacturing teams to integrate disparate AI systems, reconcile conflicting recommendations and synthesize insights manually.—
Joel Scutchfield,
Forbes.com,
22 May 2026
-
As the complaints piled on, Congress voted to expand the powers of the FMC via the Ocean Shipping Reform Act of 2022 (OSRA), giving the agency the authority to investigate and penalize carriers for unreasonable practices.—
Glenn Taylor,
Footwear News,
20 May 2026
Adjective
-
Yeah, add that to the long list of unsupported claims about these vaccines that have ranged from various anti-vaxxers asserting that the vaccines will turn you into a gigantic magnet to attributing seemingly every celebrity illness and death during the COVID-19 pandemic to the COVID-19 vaccines.—
Bruce Y. Lee,
Forbes.com,
18 May 2026
-
Tensions could rise around vulnerability, commitment or feeling emotionally unsupported, especially if someone’s actions don’t match their words.—
Valerie Mesa,
PEOPLE,
18 May 2026
Verb
-
Authorities allege Mathers was impaired at the time of the crash.—
Joseph Buczek,
CBS News,
14 May 2026
-
This can range from ensuring that infected people get rest and hydration to intubating patients with a severe case in which breathing is impaired, among other actions.—
Adam Kovac,
Scientific American,
12 May 2026
Adjective
-
Typically, this imaging uses sensors that can pick up femtotesla or picatesla range of magnetic fields, weaker than even refrigerator magnets.—
Ameya Paleja,
Interesting Engineering,
22 May 2026
-
In some cases, value starts to soften not because the business is weak, but because the growth story is not fully proven.—
David Chapman,
Forbes.com,
22 May 2026
Adjective
-
An innovation sandbox should also be void of fears related to professional consequences.—
Syed Ahmad,
Forbes.com,
15 May 2026
-
Since the moon is also void for nearly the entire day, before entering Aries later this evening, the energy could feel strangely unsettled.—
Valerie Mesa,
PEOPLE,
12 May 2026
Adjective
-
However, the indictment alleges the ship was using an incorrect fuel pump, which did not have redundancies.—
JT Moodee Lockman,
CBS News,
20 May 2026
-
Customer reviews frequently praise Origin’s tracking accuracy compared to competing budgeting apps, though some users report occasional issues with incorrect transaction categorization.—
Amy DeYoung,
USA Today,
20 May 2026
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 25 May. 2026.
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