as in weak
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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
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Recent Examples of invalid
Jennifer Jett, NBC News, 19 Feb. 2025
They were disqualified because the shot attempts were determined to be invalid.
—Ryan Gaydos, Fox News, 16 Feb. 2025
Now some scientists argue that Carter’s premise is flawed, and therefore its results are invalid.
—Paul Smaglik, Discover Magazine, 14 Feb. 2025
David Celestine, 20, was charged by the Kane County Sheriff’s Office Tuesday with aggravated discharge of a firearm, a class X felony, and possession of a firearm while FOID card invalid or not eligible, a class 3 felony, according to a post on the Elgin Police Department Facebook page.
—Courier-News, Chicago Tribune, 30 Jan. 2025
See All Example Sentences for invalid
Adjective
In a dispute brought by the Philippines, an international tribunal in The Hague said in 2016 that Beijing’s South China Sea claims were invalid, a ruling that China has never accepted.
—Jennifer Jett, NBC News, 19 Feb. 2025
They were disqualified because the shot attempts were determined to be invalid.
—Ryan Gaydos, Fox News, 16 Feb. 2025
Now some scientists argue that Carter’s premise is flawed, and therefore its results are invalid.
—Paul Smaglik, Discover Magazine, 14 Feb. 2025
David Celestine, 20, was charged by the Kane County Sheriff’s Office Tuesday with aggravated discharge of a firearm, a class X felony, and possession of a firearm while FOID card invalid or not eligible, a class 3 felony, according to a post on the Elgin Police Department Facebook page.
—Courier-News, Chicago Tribune, 30 Jan. 2025
See All Example Sentences for invalid
Recent Examples of Synonyms for invalid
Verb
-
All aunts were impaired and physically in need of help.—
Carolyn Rosenblatt,
Forbes,
2 Mar. 2025
-
The researchers speculate that increases in fine particulate matter could be reducing running performance by constricting blood vessels, increasing inflammation, and impairing lung and brain function, but further research is needed to pin down the exact mechanisms at play.—
Claire Maldarelli,
Scientific American,
28 Feb. 2025
Verb
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The matches are now much more likely to reverse course if one team is pulling ahead — that certainly can’t hurt.—
Gabby Herzig,
The Athletic,
26 Feb. 2025
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Speaking of credit scores, contrary to popular opinion, having multiple credit cards won’t hurt you.—
Aislyn Greene,
AFAR Media,
26 Feb. 2025
Verb
-
How long will this continue before reciting bigoted chants and bearing weapons becomes blocking Jews from buildings and harming Israeli students?—
Ellia M Torkian,
San Diego Union-Tribune,
6 Mar. 2025
-
While bread isn’t necessarily unhealthy, sometimes allergies or sensitivities to components in bread or other factors require people to find ways of eating it that will not harm their health.—
Jonathan Purtell,
Verywell Health,
5 Mar. 2025
Verb
-
Moon dust plagued astronauts and spacecraft during NASA’s Apollo program in the mid-20th century, as the fine and abrasive material damaged camera lenses and visors, according to NASA.—
Jackie Wattles,
CNN,
5 Mar. 2025
-
Displays of authenticity, executed improperly, can damage reputations and even derail careers.—
Harrison Monarth,
Forbes,
5 Mar. 2025
Verb
-
In addition to the two people killed, 10 people were injured, five seriously, Mannheim police said in a statement.—
David Brennan,
ABC News,
3 Mar. 2025
-
And in February, a driver plowed into a protest group in Munich injuring at least 28 people.—
Rachel McRady,
People.com,
3 Mar. 2025
Verb
-
But by 2011, they were exhausted by seven solid years of touring and recording.—
Andy Greene,
Rolling Stone,
1 Mar. 2025
-
Like state government, municipalities also have exhausted most of their emergency federal pandemic aid.—
Jessika Harkay,
Hartford Courant,
28 Feb. 2025
Verb
-
At age 8, in Croatia, his sick father was temporarily laid up in bed.—
Scott Fowler,
Charlotte Observer,
27 Feb. 2025
-
The life cycle of a moth is 65 to 90 days, with female moths laying up to 300 eggs each.—
Ellie Pithers,
Vogue,
15 Feb. 2025
Verb
-
In Always On mode, the generator remains on until the battery is depleted or the power is manually turned off.—
PCMAG,
PCMAG,
6 Mar. 2025
-
That would’ve depleted a stockpile of, say, 10,000 rockets in less than a month.—
David Axe,
Forbes,
5 Mar. 2025
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 12 Mar. 2025.
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