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
Scott Bauer, Los Angeles Times, 3 June 2026
In January 2025, however, a federal district court in Kentucky ruled that the Biden administration’s regulations were invalid.
—Marie-Amelie George, The Conversation, 28 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
Former judge’s attorney points to a Virginia case Dugan’s attorney Steven Biskupic argued that her conviction was invalid and should be overturned.
—Scott Bauer, Los Angeles Times, 3 June 2026
In January 2025, however, a federal district court in Kentucky ruled that the Biden administration’s regulations were invalid.
—Marie-Amelie George, The Conversation, 28 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
-
When students learn new information, the memory is fragile and the brain needs a pause from additional cognitive demands, according to the pediatric association.—
Cierra Morgan,
Los Angeles Times,
18 June 2026
-
The fierce woman who always wore black, who could light up a room with her sly jokes and smoky laughter, grew quieter and more fragile after losing her lover.—
Literary Hub,
Literary Hub,
18 June 2026
Adjective
-
Persons who tamper with or abuse any aspect of the Sweepstakes or website, who act in an unsportsmanlike or disruptive manner, or who are in violation of these Official Rules, as solely determined by Sponsor, will be disqualified and all associated entries will be void.—
AJC.com,
AJC.com,
18 June 2026
-
There are several marketing terms–like ‘natural’ or ‘fresh’–on product packaging that are essentially void of any significant meaning, and consumers are becoming more knowledgeable, thus skeptical, about these terms.—
Andrew Watman,
Forbes.com,
18 June 2026
Adjective
-
The good news is, though, that while an erroneous freeze can cause big trouble with your bills, it can usually be reversed.—
Angelica Leicht,
CBS News,
15 June 2026
-
Judge Nicole Hopps last month increased his minimum term of incarceration to 60 years after granting his request to correct the erroneous sentence.—
Tom Olsen,
Twin Cities,
8 June 2026
Adjective
-
Those fears are not unreasonable, either, given the ability of AI to do so many things so well.—
John Werner,
Forbes.com,
18 June 2026
-
Horn’s assessment wasn’t unreasonable; it was based on recent statements by Greenlandic politicians.—
Ben Taub,
New Yorker,
15 June 2026
Adjective
-
Plants supported by a trellis or cage can be spaced closer together than unsupported plants, as their growth is directed upward.—
Kim Toscano,
Southern Living,
16 June 2026
-
And in a political climate where unsupported conspiracies about election fraud can run rampant on social media — pushed, at times, by top political leaders — some fear the slow vote count is becoming a liability.—
Grace Toohey,
Los Angeles Times,
14 June 2026
Verb
-
Losing as little as 2% of one's body weight to dehydration can impair physical performance.—
ABC News,
ABC News,
18 June 2026
-
Disrupting essential frontline activities and tier huddles can cause a domino effect that impairs future lean efforts rather than lay a foundation for improvement.—
David Caines,
Forbes.com,
18 June 2026
Adjective
-
But lingering high ticket prices combined with weaker teams might mean sparse attendance.—
Bloomberg,
Mercury News,
19 June 2026
-
Tokyo wants to appear to be fighting a weak yen, while welcoming it in private.—
William Pesek,
Forbes.com,
19 June 2026
Adjective
-
The researchers calculated welfare losses from incorrect beliefs could potentially reach up to 43% of the initial loan balance in the most extreme cases, translating to roughly $21,500 on the median borrower’s $50,000 in debt.—
Catherina Gioino,
Fortune,
17 June 2026
-
For example, many borrowers are getting incorrect estimates of what their bill would be on IBR, Rodriguez said.—
Annie Nova,
CNBC,
16 June 2026
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 21 Jun. 2026.
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