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
Austin Perry Outkick, FOXNews.com, 22 May 2026
The tribe claimed the easement was invalid and that the pipeline must be shut down.
—Mary Steurer, States Newsroom, 21 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
The approval was then challenged in court by three Maine residents who claimed that thousands of the signatures were invalid because of defects in the collection and certification process, among other procedural violations.
—Austin Perry Outkick, FOXNews.com, 22 May 2026
The tribe claimed the easement was invalid and that the pipeline must be shut down.
—Mary Steurer, States Newsroom, 21 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
-
In fact, oil and gasoline futures both rebounded on Thursday as new fighting in the Middle East underscores the fragile nature of the ceasefire.—
Kevin Liptak,
CNN Money,
28 May 2026
-
Generating a test, refactoring a fragile selector or maintaining a test suite are the kinds of tasks where AI coding shines.—
Ethan Pronev,
Forbes.com,
28 May 2026
Adjective
-
That assumption is erroneous—and dangerous.—
David Capablanca,
Forbes.com,
28 May 2026
-
Technology should be developed to track the same digital paths that erroneous content traveled, correcting the record along the way.—
Encyclopedia Britannica,
Encyclopedia Britannica,
28 May 2026
Adjective
-
Last year’s conference-final loss to the Florida Panthers — an ugly result for an overmatched roster that had spent the regular season outkicking its coverage, maximizing its performance and raising expectations to an unreasonable level — is on that ledger, too.—
Sean Gentille,
New York Times,
28 May 2026
-
That lingering inventory, which has drawn criticism from fans who believe the list prices are unreasonable, is a principal feature of the governing body’s ticket pricing strategy.—
Sara Germano,
Sportico.com,
28 May 2026
Adjective
-
According to the report, 71% of those who felt unsupported on productions said safety policies weren’t properly followed.—
Max Goldbart,
Deadline,
28 May 2026
-
Many influencers lack formal nutrition credentials and promote unsupported health claims.—
LeeAnn Weintraub,
Oc Register,
27 May 2026
Verb
-
If rain severely impairs your vision, pull over and wait for conditions to improve.—
Bay Area Weather Report,
Mercury News,
28 May 2026
-
Specifically, these plummeting estrogen levels impair your body's baseline production of natural hyaluronic acid, collagen, and elastin, the building blocks that keep your skin bouncy, plump, and lubricated.—
Lauren Brown West-Rosenthal,
Parents,
28 May 2026
Adjective
-
As the story goes, attendance was weak, the weather was bad, and the tournament experience was just lacking.—
James Burky,
Denver Post,
29 May 2026
-
As many as 40 states combine one-party control with institutional barriers weak enough to fall to political pressure.—
Bruce Sibley,
Time,
29 May 2026
Adjective
-
The pipeline feeding mid-level and senior positions runs through junior hiring; cutting it today creates a leadership void tomorrow.—
Nitin Agarwal,
Forbes.com,
26 May 2026
-
Covey said the team is hoping the void space at the top of the tank will absorb the overpressure from the curing process, preventing an explosion.—
Alexandra Koch,
FOXNews.com,
23 May 2026
Adjective
-
Flip-flops are widely believed to be a poor pick for arch support—but the Clarks Breeze Sea Sandals prove that notion incorrect.—
Merrell Readman,
Travel + Leisure,
26 May 2026
-
In addition to the incorrect name and state, the apology poster’s profile photo bore no resemblance to Crosby’s actual ex-husband.—
James Lasdun,
New Yorker,
26 May 2026
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 3 Jun. 2026.
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