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
Melissa Gomez, Los Angeles Times, 14 Mar. 2026
All three had dissented in 2024 when the full 4th Circuit in an 8-6 ruling declared West Virginia’s law invalid.
—Reuters 21 Hr Ago, CNN Money, 12 Mar. 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
Some candidates who submitted petitions by the March 4 deadline failed to qualify because some of their signatures were deemed invalid.
—Melissa Gomez, Los Angeles Times, 14 Mar. 2026
All three had dissented in 2024 when the full 4th Circuit in an 8-6 ruling declared West Virginia’s law invalid.
—Reuters 21 Hr Ago, CNN Money, 12 Mar. 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
-
Some drugs prescribed for insomnia can impair driving the following morning, particularly if higher doses are taken or when they are combined with other sedating substances.—
Amanda Greenwood,
MSNBC Newsweek,
1 Apr. 2026
-
The alleged victim had been diagnosed with multiple medical conditions, including dementia, and was found to be cognitively impaired in 2024 during a mental health evaluation, according to a probable cause affidavit.—
Angie DiMichele,
Sun Sentinel,
31 Mar. 2026
Verb
-
It was later changed due to players getting hurt.—
Kansas City Star,
Kansas City Star,
31 Mar. 2026
-
However, having players of those caliber on the court, both of whom have either been to the NBA Finals or won it, certainly shouldn't hurt.—
Matthew Couden,
MSNBC Newsweek,
31 Mar. 2026
Verb
-
Eco effort The resort has officially banned a long list of items with potential to harm the surrounding environment, from Styrofoam to plastic straws.—
Condé Nast,
Condé Nast Traveler,
31 Mar. 2026
-
No human journalist was harmed in this experiment.—
CA Earthquake Bot,
Sacbee.com,
31 Mar. 2026
Verb
-
In a social media post on Monday morning, Kuwait said a service building at a power generation and water desalination plant were damaged in an attack Sunday evening, killing one worker.—
Anniek Bao,
CNBC,
30 Mar. 2026
-
At least 12 residents have been displaced after a three-alarm fire heavily damaged five homes in Pittsburgh's Bloomfield neighborhood, according to Pittsburgh Public Safety.—
Garrett Behanna,
CBS News,
30 Mar. 2026
Verb
-
That night, Kane was injured, and Carsley tried to pick the boldest, most talented team possible, with Jude Bellingham nominally up front, and Foden, Palmer, Gordon and Bukayo Saka in, too.—
Jack Pitt-Brooke,
New York Times,
1 Apr. 2026
-
The conditions for the three people injured in the shooting wasn't immediately available.—
Siafa Lewis,
CBS News,
31 Mar. 2026
Verb
-
The idea that forms of artistic expression can exhaust themselves is nothing new.—
Daniel Birnbaum,
Artforum,
2 Apr. 2026
-
In 2018, pregnant with her third child, Kate Ames was exhausted.—
Madeline Mitchell,
USA Today,
2 Apr. 2026
Verb
-
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
-
Female wasps can lay up to 200 eggs a day as long as a host insect is available.—
Barbara Gillette,
The Spruce,
9 Mar. 2026
Verb
-
The presence of Franco-Americans in the area can be traced back to 1840-1930, when nearly one million Francophone people emigrated from Quebec where farmlands were depleted and jobs scarce, to work in textile mills in New England.—
Vivian Song,
CNN Money,
30 Mar. 2026
-
The Knights’ roster was depleted following the departure of Abrahamson-Henderson, leaving Messer to reload the roster through the transfer portal.—
Matt Murschel,
The Orlando Sentinel,
30 Mar. 2026
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 4 Apr. 2026.
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