1
as in declaration
a solemn and often public declaration of the truth or existence of something
the assertion that all men have certain unalienable rights is set forth in the Declaration of Independence
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in argument
an idea or opinion that is put forth in a discussion or debate
made the unlikely assertion that gravity affects light
Synonyms & Similar Words
Example Sentences
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Recent Examples of assertion
The administration has failed to provide any evidence that the people killed in the attacks were attempting to bring drugs into the country, and legal experts have taken umbrage at the assertion that drug traffickers can be considered armed combatants.
—
Cybele Mayes-Osterman, USA Today, 4 Mar. 2026
Jennifer Walker, a spokesperson at the health center, forcefully pushed back at Harding’s assertions about Agwunobi, a practicing pediatrician before turning to high-level administrative jobs in health care after earning an MBA at the Stanford Graduate School of Business in 2001.
—Mark Pazniokas, Hartford Courant, 4 Mar. 2026
So there’ll be new assertions of emergency power in all kinds of contexts.
—David Frum, The Atlantic, 4 Mar. 2026
The mayor has brushed aside Pritzker’s assertion that Chicago is off the table for a new stadium and told reporters that the Chicago Park District, which owns Soldier Field, needs a partner in Springfield.
—Alice Yin, Chicago Tribune, 3 Mar. 2026
See All Example Sentences for assertion
Cybele Mayes-Osterman, USA Today, 4 Mar. 2026
Jennifer Walker, a spokesperson at the health center, forcefully pushed back at Harding’s assertions about Agwunobi, a practicing pediatrician before turning to high-level administrative jobs in health care after earning an MBA at the Stanford Graduate School of Business in 2001.
—Mark Pazniokas, Hartford Courant, 4 Mar. 2026
So there’ll be new assertions of emergency power in all kinds of contexts.
—David Frum, The Atlantic, 4 Mar. 2026
The mayor has brushed aside Pritzker’s assertion that Chicago is off the table for a new stadium and told reporters that the Chicago Park District, which owns Soldier Field, needs a partner in Springfield.
—Alice Yin, Chicago Tribune, 3 Mar. 2026
See All Example Sentences for assertion
Recent Examples of Synonyms for assertion
Noun
-
The last time funds were available for safe room installation rebates was in 2025, which covered disaster declarations made in 2024.—
Dale Denwalt,
Oklahoman,
6 Mar. 2026
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Players and snaps added or lost are via the portal only (numbers do not include players lost due to exhausted eligibility or draft declarations).—
Manny Navarro,
New York Times,
6 Mar. 2026
Noun
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There have also been arguments that having more daylight hours benefits public safety and health.—
Chris Sims,
IndyStar,
8 Mar. 2026
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According to initial police reports, dozens of people were inside the bar attending a party when an argument broke out between some attendees.—
Harry Harris,
Mercury News,
7 Mar. 2026
Noun
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All prize claims must be submitted within 180 days of the drawing date for draw games.—
Chris Sims,
IndyStar,
8 Mar. 2026
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Fleming, as a former roommate, previously addressed those claims.—
Jackson Thompson,
FOXNews.com,
8 Mar. 2026
Noun
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The lawsuit calls that contention untrue — Estrada Juarez has never been in removal proceedings and has never seen an immigration judge.—
Andrea Castillo,
Los Angeles Times,
11 Mar. 2026
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One topic of contention was the Turlington Homes development approved prior to Clark’s death.—
Evy Lewis,
Chicago Tribune,
10 Mar. 2026
Noun
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Trump’s insistence on securing a decisive outcome may lengthen the conflict.—
Amena Bakr,
semafor.com,
9 Mar. 2026
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Seligman’s new economic analysis, put together by local real estate adviser Gary London, says the city’s insistence on maintaining ownership will cost it millions in tax revenue and lead to long-term deterioration of the site.—
David Garrick,
San Diego Union-Tribune,
8 Mar. 2026
Noun
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Though the data does not explain this difference entirely, the working hypothesis is that the greater velocity often involved with e-bikes plays a significant role.—
Paul Sisson,
San Diego Union-Tribune,
9 Mar. 2026
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In biological anthropology, it's called the drunken monkey hypothesis.—
Ari Daniel,
NPR,
9 Mar. 2026
Noun
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The motion to disqualify Robinson, at this point an allegation, touches upon one of the defining characteristics of the Supreme Court — that discussions among judges when deliberating over decisions are confidential.—
Edmund H. Mahony,
Hartford Courant,
7 Mar. 2026
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The allegations in question date back to December, when the Telluride Professional Ski Patrol Association walked off the job after months of negotiations with Telski over a new union contract.—
Tiney Ricciardi,
Denver Post,
7 Mar. 2026
Cite this Entry
“Assertion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assertion. Accessed 12 Mar. 2026.
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