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
And as the weekend wore on, more GOP lawmakers and conservative media voices began to call for an investigation into the shooting and to question the administration’s assertion that an armed Pretti had violently resisted agents.
—
Russell Berman, The Atlantic, 27 Jan. 2026
There was almost no real pharmacokinetic data to back up this assertion, only extrapolation and anecdotes.
—Ben Taub, New Yorker, 26 Jan. 2026
Freedom Foundation says that assertion is also false.
—Peter D'abrosca, FOXNews.com, 23 Jan. 2026
Gerry Cardinale, the founder of RedBird Capital, Paramount Skydance’s second-largest shareholder (behind David Ellison), fired back at the assertions.
—Tony Maglio, HollywoodReporter, 23 Jan. 2026
See All Example Sentences for assertion
Russell Berman, The Atlantic, 27 Jan. 2026
There was almost no real pharmacokinetic data to back up this assertion, only extrapolation and anecdotes.
—Ben Taub, New Yorker, 26 Jan. 2026
Freedom Foundation says that assertion is also false.
—Peter D'abrosca, FOXNews.com, 23 Jan. 2026
Gerry Cardinale, the founder of RedBird Capital, Paramount Skydance’s second-largest shareholder (behind David Ellison), fired back at the assertions.
—Tony Maglio, HollywoodReporter, 23 Jan. 2026
See All Example Sentences for assertion
Recent Examples of Synonyms for assertion
Noun
-
The governor issued a disaster declaration for 134 counties, including Tarrant, and warned that the weather conditions will increase in severity as the weekend nears and progresses.—
Eleanor Dearman
Updated January 22,
Fort Worth Star-Telegram,
23 Jan. 2026
-
The mayor said that signing a state of emergency declaration for Jefferson County allows for the procurement of resources to address community needs.—
Phil Helsel,
NBC news,
23 Jan. 2026
Noun
-
This is the classic day for arguments with romantic partners.—
Georgia Nicols,
Denver Post,
25 Jan. 2026
-
Calling for an economic and social impact study is not an argument against White Stadium.—
Ed Gaskin,
Boston Herald,
25 Jan. 2026
Noun
-
Federal officials said Good attempted to drive her vehicle toward agents during the encounter, a claim disputed by family members and some local leaders.—
Sophia Compton,
FOXNews.com,
12 Jan. 2026
-
Witnesses and local leaders have contradicted that claim, saying Good was trying to leave and steering away from the agent.—
Michael Abeyta,
CBS News,
12 Jan. 2026
Noun
-
The Lloyd’s building is strong evidence for Alan Moore’s contention that the imaginary is the foundation of the physical world.—
Hari Kunzru,
Harpers Magazine,
27 Jan. 2026
-
McNealy finished second to Ludvig Åberg at the 2025 Genesis Invitational, coincidentally held at Torrey Pines—after a closing-round 64 vaulted him firmly into contention.—
Jeff Goudy,
Forbes.com,
26 Jan. 2026
Noun
-
Keane loved Polinsky’s insistence on inclusiveness, respect for the governor down to the most obscure staffer, and zero tolerance for those disrespectful to rank-and-file workers.—
Keith M. Phaneuf,
Hartford Courant,
26 Jan. 2026
-
Among the most important topics was Trump’s insistence on taking ownership of the Arctic territory of Greenland, as well as the impact of artificial intelligence on the labor market.—
Sawdah Bhaimiya,
CNBC,
25 Jan. 2026
Noun
-
But within a day, the entire hypothesis flopped.—
Literary Hub,
Literary Hub,
27 Jan. 2026
-
This means that the probabilities for the null hypothesis and the alternative hypothesis remain completely unchanged by this suspicious draw.—
Manon Bischoff,
Scientific American,
24 Jan. 2026
Noun
-
Crawford said the lying in wait allegations could not be proved because his client was just standing by a gate when the attack happened.—
City News Service,
Oc Register,
25 Jan. 2026
-
Agents have been accused of arresting citizens without probable cause, pointing weapons at people, tear-gassing neighborhoods, among other allegations of violent behavior.—
Madeline Buckley,
Chicago Tribune,
24 Jan. 2026
Cite this Entry
“Assertion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assertion. Accessed 30 Jan. 2026.
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