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 Irish comedy writer has become better known for his assertion that trans women are men and criticism of trans activism, expressed in often vituperative social media posts.
—
ABC News, 1 May 2026
Nikolas’ recent assertions have widened the scandal to include Braun and Huberman.
—Gary Baum, HollywoodReporter, 30 Apr. 2026
For music business observers, the most interesting aspect of the suit may lie in its detailed assertions about how much the Christian music (CCM) touring industry relies on alliances with charities to achieve a profit.
—Chris Willman, Variety, 29 Apr. 2026
Moreover, most of the assertions made by those seeking to undermine the dark matter hypothesis are now demonstrably incorrect, ruled out by the existing data.
—Big Think, 29 Apr. 2026
See All Example Sentences for assertion
ABC News, 1 May 2026
Nikolas’ recent assertions have widened the scandal to include Braun and Huberman.
—Gary Baum, HollywoodReporter, 30 Apr. 2026
For music business observers, the most interesting aspect of the suit may lie in its detailed assertions about how much the Christian music (CCM) touring industry relies on alliances with charities to achieve a profit.
—Chris Willman, Variety, 29 Apr. 2026
Moreover, most of the assertions made by those seeking to undermine the dark matter hypothesis are now demonstrably incorrect, ruled out by the existing data.
—Big Think, 29 Apr. 2026
See All Example Sentences for assertion
Recent Examples of Synonyms for assertion
Noun
-
More than a year after much of Pacific Palisades was leveled by fire, the Los Angeles City Council on Friday approved a motion calling on various departments to enhance red flag warning declarations to improve preparedness.—
City News Service,
Daily News,
8 May 2026
-
The ceasefire and previous declarations that military operations were over have given way to new threats of bombing if Tehran does not accept a deal that allows for resumption of oil and natural gas shipments disrupted by the conflict.—
Arkansas Online,
Arkansas Online,
8 May 2026
Noun
-
Unsigned editorials reflect the consensus of our editorial board, with the aim of offering arguments that are empirically sound and intellectually consistent.—
Teagan Davidge,
Oc Register,
10 May 2026
-
Swann, in other words, takes Washburn’s side of the animal-mind argument.—
Jill Lepore,
New Yorker,
9 May 2026
Noun
-
Those arguments will also weigh a claim from the ACLU that the map includes a crucial error that placed more than 870 Kansas City residents in two separate districts at the same time.—
Kacen Bayless,
Kansas City Star,
10 May 2026
-
Russia dismisses such claims as nonsense.—
Reuters,
NBC news,
10 May 2026
Noun
-
This time, however, Kubo may have the right mix of youthful energy and experience to help push his country further into contention.—
Rohan Nadkarni,
NBC news,
12 May 2026
-
How much can the franchise truly count on Embiid as the center of its contention hopes?—
Tony Jones,
New York Times,
11 May 2026
Noun
-
Fonda, who gave up her acting career at Turner's insistence, admitted her role on the world stage was often a supporting one.—
Bryan Alexander,
USA Today,
6 May 2026
-
The fine points of class-action law were, of course, less influential than Crenshaw’s insistence on paying close attention to the way Black women were treated by the courts, and the essay’s most memorable lines were broader categorical claims.—
Kelefa Sanneh,
New Yorker,
4 May 2026
Noun
-
Though Descalzo cautioned that the possible role of saunas in transmission is still just a hypothesis, the bacterium is known to spread more efficiently in humid settings.—
Helen Branswell,
STAT,
11 May 2026
-
The hypothesis was that if the aye-aye relied purely on hollow resonance, then the filling inside the cavities should have disrupted its ability to identify them.—
Scott Travers,
Forbes.com,
10 May 2026
Noun
-
Anyone with additional allegations or information about Dean is asked to call Detective Donalson at 817-459-5632.—
Matthew Ablon,
CBS News,
9 May 2026
-
Anyone with information on additional allegations involving Dean is asked to call Detective Donalson at 817-459-5632.—
Harriet Ramos,
Fort Worth Star-Telegram,
9 May 2026
Cite this Entry
“Assertion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assertion. Accessed 13 May. 2026.
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