as in weak
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
Synonyms & Similar Words
Antonyms & Near Antonyms
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
Alden Abbott, Forbes.com, 4 June 2025
While importation laws require all dogs to have a health certificate, foreign paperwork is commonly invalid or forged, according to the U.S. Centers for Disease Control and Prevention.
—Sheila Goffe, Boston Herald, 3 June 2025
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
That some of the claims of the key EPC patents were invalid and should never have been granted in the first place.
—Alden Abbott, Forbes.com, 4 June 2025
While importation laws require all dogs to have a health certificate, foreign paperwork is commonly invalid or forged, according to the U.S. Centers for Disease Control and Prevention.
—Sheila Goffe, Boston Herald, 3 June 2025
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
-
Damages to roots, caused by fertilizer burns or cultivation, can also be a factor in impairing nutrient and water uptake.—
Nora Doonan,
Hartford Courant,
14 June 2025
-
Mocktails also have the advantage of not impairing your judgment or motor skills the way alcohol can.—
Daryl Austin,
USA Today,
11 June 2025
Verb
-
This would hurt even the most polished comedy or the most clockwork heist movie, let alone one that hopes to be both.—
Siddhant Adlakha,
Variety,
26 June 2025
-
Ohtani has provided a critical bat at the top of the Dodgers' order and there was some concern that adding a pitching workload might hurt his offensive production.—
Peter Chawaga,
MSNBC Newsweek,
25 June 2025
Verb
-
Carissa Véliz, an associate professor of philosophy at the University of Oxford’s Institute for Ethics in AI, tells Rolling Stone that Taylor is far from an isolated example of chatbot users apparently being harmed by these products, citing a ongoing lawsuit against Character.—
Miles Klee,
Rolling Stone,
22 June 2025
-
North America is by no means the only place where escalating disputes are harming international travel.—
Maureen O'Hare,
CNN Money,
21 June 2025
Verb
-
Worn restorations: Dental fillings, crowns, and restorations can also become damaged or worn over time, exposing dentin and raising the risk of tooth decay.—
Mark Gurarie,
Health,
21 June 2025
-
There is radiological and chemical contamination at the Natanz facility, where an above-ground portion of the fuel enrichment plant was damaged after a military strike on June 13, International Atomic Energy Agency Director-General Rafael Grossi told the United Nations Security Council on Friday.—
Julia Jacobo,
ABC News,
21 June 2025
Verb
-
The plane broke apart, killing all six people onboard and injuring eight people on the ground.—
Brian Niemietz,
New York Daily News,
19 June 2025
-
The conflict entered its seventh day on Thursday, with Iran launching a strike that hit a major hospital in Israel, injuring at least 240 people and causing extensive damage.—
Sonam Sheth,
MSNBC Newsweek,
19 June 2025
Verb
-
In the new workplace, don’t exhaust yourself to win over everyone.—
Naira Velumyan,
Forbes.com,
17 June 2025
-
If Southern California Edison equipment is found to have sparked the blaze on Jan. 7, as dozens of lawsuits allege, the damage claims could quickly exhaust the state’s $21-billion wildfire fund.—
Melody Petersen,
Los Angeles Times,
16 June 2025
Verb
-
Instead of laying up, which both players had done each of the previous playoff holes, the Australian went for it.—
Kendall Capps,
MSNBC Newsweek,
8 June 2025
-
With many players opting to lay up onto a relatively narrow fairway, the vast majority of tee shots sailed safely under it.—
Jack Bantock,
CNN,
14 Mar. 2025
Verb
-
Over the course of watering flower and plant containers, the soil can become depleted.—
Rebecca Jones,
Southern Living,
25 June 2025
-
Once the fund's reserves become depleted, Medicare would be able to cover only 89% of costs for patients' hospital visits, hospice care and nursing home stays or home health care that follow hospital visits.—
Arkansas Online,
Arkansas Online,
19 June 2025
Cite this Entry
“Invalid.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/invalid. Accessed 30 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share