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
Marie-Amelie George, The Conversation, 28 May 2026
Remove duplicate contacts, invalid numbers and leads that have never engaged.
—Phil Portman, Forbes.com, 27 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
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
Remove duplicate contacts, invalid numbers and leads that have never engaged.
—Phil Portman, Forbes.com, 27 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
-
The latest claims come after a week of tit-for-tat strikes that strained an already fragile ceasefire reached in April.—
Neetika Walter,
Interesting Engineering,
11 June 2026
-
Named for privateer Jean Lafitte, who aided American forces during the War of 1812, the park preserves cultural traditions alongside fragile ecosystems.—
USA TODAY Network,
USA Today,
10 June 2026
Adjective
-
The challenge is only open to entrants in states where Benjamin Franklin Plumbing’s businesses are located and is void where prohibited.—
Kimberlee Speakman,
PEOPLE,
10 June 2026
-
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,
8 June 2026
Adjective
-
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
-
There is a widespread, but erroneous, belief that fraud is why the state Unemployment Insurance Fund is deeply in the red.—
Dan Walters,
Mercury News,
3 June 2026
Adjective
-
However, investing in public institutions and infrastructure is a costly endeavor that can seem unreasonable when local officials are struggling to balance budgets without increasing tax burdens.—
Aneri Pattani,
USA Today,
6 June 2026
-
Nineteen recent clinical trials on kratom leaf document no evidence of severe addiction or significant or unreasonable adverse effects.—
Tara Molina,
CBS News,
1 June 2026
Adjective
-
Since the Los Angeles mayoral primary election last week, unsupported conspiracy claims have flooded social media about how reality TV personality Spencer Pratt fell out of the race.—
Andrew Khouri,
Los Angeles Times,
12 June 2026
-
The idea that prosperity causes monetary inflation is totally unsupported by real-world experiences.—
Steve Forbes,
Forbes.com,
12 June 2026
Verb
-
Srebnick said Pino had two beers but was not impaired and was not charged with driving under the influence.—
Meredith Deliso,
ABC News,
9 June 2026
-
Unfortunately, substance use impairs judgment, increases impulsivity and amplifies vulnerability to a range of other high-risk behaviors and harms.—
Beverly Kingston,
The Conversation,
9 June 2026
Adjective
-
But his father contracted pneumonia in 2011, and after two decades in prison, his body was too weak to fight it.—
Yumi Asada,
CNN Money,
13 June 2026
-
That gap is where signal blindness, misalignment, bottlenecks, execution delays and weak learning loops quietly convert external change into our fragilities.—
Christopher Washington,
Forbes.com,
12 June 2026
Adjective
-
The inspectors also noted improper date marking and incorrect food storage practices.—
Shambhavi Rimal,
Fort Worth Star-Telegram,
10 June 2026
-
According to prosecutors, Kroger initially miscalculated the calorie content of the products when they were introduced in 2021 and displayed incorrect calorie values on both FDA nutrition labels and front-of-package advertising.—
ABC News,
ABC News,
8 June 2026
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 13 Jun. 2026.
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