as in fragile
chronically or repeatedly suffering from poor health an old and now invalid woman who rarely gets out anymore
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Relevance
Antonyms & Near Antonyms
1
as in null
having no legal or binding force the treaty is invalid once one side violates it
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2
as in erroneous
not being in agreement with what is true that's an invalid assumption on your part
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3
as in unreasonable
not using or following good reasoning an argument which has one untrue premise is invalid
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4
as in unsupported
having no basis in reason or fact an invalid claim that can be easily disproved by the facts
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Antonyms & Near Antonyms
as in to impair
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Dissimilar Words
Example Sentences
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of invalid
Aamir Khollam, Interesting Engineering, 3 Apr. 2026 Authorities also noted that Judson’s driver’s license was invalid. —Cierra Morgan, Los Angeles Times, 2 Apr. 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 ruling makes those increases legally invalid. —Aamir Khollam, Interesting Engineering, 3 Apr. 2026 Authorities also noted that Judson’s driver’s license was invalid. —Cierra Morgan, Los Angeles Times, 2 Apr. 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
Verb
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Jewell disputed that claim, saying the project would not impair the hammerhead easement used by emergency vehicles.— Nicole Buss, Sacbee.com, 22 Apr. 2026
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The antioxidant properties of CoQ10 and omega-3s reduce oxidative stress, which can damage mitochondria and impair their ability to produce energy.— Ayesha Gulzar, Verywell Health, 22 Apr. 2026
Verb
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Furthermore, Mike Brown’s decision to play six minutes in the first half with neither Jalen Brunson nor Karl-Anthony Towns on the floor hurt New York immensely.— Darnell Mayberry, New York Times, 21 Apr. 2026
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Bad word of mouth was hurting advance ticket sales.— Literary Hub, Literary Hub, 21 Apr. 2026
Verb
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The caller told dispatch her 20-year-old son was inside the home and threatening to harm himself.— Staff Report, Hartford Courant, 21 Apr. 2026
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The combination of a shaky bullpen and even worse infield defense harmed the Twins multiple times during the team’s current four-game losing streak.— Dan Hayes, New York Times, 20 Apr. 2026
Verb
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Washington’s version of McCall is disciplined but damaged, and possibly afflicted with something like obsessive-compulsive disorder.— Kelefa Sanneh, New Yorker, 20 Apr. 2026
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In fact, Gerrod Moore, a brand manager of Maytag advises against uninformed stainless steel cleaning experimentation, because some kitchen cleaning go-to's like bleach, glass cleaner, abrasive cleaners, and steel wool may damage the metal.— Hallie Milstein, Southern Living, 19 Apr. 2026
Verb
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The shootings took place at multiple locations early Sunday morning, leaving eight children dead, two adult women wounded -- the mothers of his children -- and another woman and child injured.— Arkansas Online, Arkansas Online, 21 Apr. 2026
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Police said that the child who was attacked was injured and was taken to UPMC Children's Hospital for treatment.— Mike Darnay, CBS News, 21 Apr. 2026
Verb
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This is because eventually the sellers exhaust themselves while the buyers are persisting at the same price multiple times.— Josh Brown,Sean Russo, CNBC, 23 Apr. 2026
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When one physician is exhausted, others compensate.— Jennifer Obel, Twin Cities, 22 Apr. 2026
Verb
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But thanks to their reproductive vigor — females can lay up to 25,000 eggs in a single season — their numbers quickly hopped out of hand.— Shi En Kim, AZCentral.com, 13 Mar. 2026
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Summit's Javon Ross (33) lays up a ball as Lovejoy's Maddox Johnson (2) defends in the second half of a high school basketball game, Class 5A Division II state semifinal, at SUM’s Moody Coliseum, Tuesday, March 10, 2026, in University Park.— Dallas Morning News, Dallas Morning News, 11 Mar. 2026
Verb
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According to the 2026 trustees' report, the Social Security Administration is projected to deplete those reserves in 2033.— David McMillin, CNBC, 20 Apr. 2026
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Jared Wright and Scott Laughton have spruced up a bottom six that was already beefier with the addition of Joel Armia but depleted by the departures of Phillip Danault, Warren Foegele and Corey Perry.— Andrew Knoll, Daily News, 18 Apr. 2026
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.grautoblog.com/thesaurus/invalid. Accessed 24 Apr. 2026.
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