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
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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
Kim claimed the tank’s protection system could defeat nearly all existing anti-tank weapons, though such assertions could not be independently verified, Reuters reported.
—
Eric MacK, FOXNews.com, 29 Mar. 2026
Kline also pushes back on the assertion that the alliance is against development or industry.
—Kenneth R. Gosselin, Hartford Courant, 29 Mar. 2026
Testimony from his teammates supported Kerr’s assertion.
—Joseph Dycus, Mercury News, 29 Mar. 2026
Egan pushed back on the attorney’s assertion, saying Christopher Smith did not share his calendar with the board, and trips such as the one to São Paulo aren’t something directors vote on.
—Jessica Seaman, Denver Post, 27 Mar. 2026
See All Example Sentences for assertion
Eric MacK, FOXNews.com, 29 Mar. 2026
Kline also pushes back on the assertion that the alliance is against development or industry.
—Kenneth R. Gosselin, Hartford Courant, 29 Mar. 2026
Testimony from his teammates supported Kerr’s assertion.
—Joseph Dycus, Mercury News, 29 Mar. 2026
Egan pushed back on the attorney’s assertion, saying Christopher Smith did not share his calendar with the board, and trips such as the one to São Paulo aren’t something directors vote on.
—Jessica Seaman, Denver Post, 27 Mar. 2026
See All Example Sentences for assertion
Recent Examples of Synonyms for assertion
Noun
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Digital services are also required to implement an effective age verification mechanism that goes beyond self-declaration.—
Barbara Ortutay,
Chicago Tribune,
27 Mar. 2026
-
The company sued earlier this month to block a declaration by the Defense Department that Anthropic posed a threat to the US supply chain, escalating a high-stakes dispute over safeguards on AI technology used by the military.—
Bloomberg,
Mercury News,
27 Mar. 2026
Noun
-
Morales said two officers were flagged down by a bystander reporting a heated argument.—
Nikiya Carrero,
CBS News,
29 Mar. 2026
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The 9th Circuit Court of Appeals rejected the challenge in the middle of oral arguments, even while ruling against the civil rights of Japanese American citizens in other cases considered at the same time.—
Maureen Groppe,
USA Today,
28 Mar. 2026
Noun
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In February, the judge overseeing the case dismissed several claims against the bank, but let stand two others.—
Chase Jordan,
Charlotte Observer,
30 Mar. 2026
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The state legislature has general immunity against claims for civil damages, so those would be sought from the town and could top $25 million, according to the lawsuit.—
Kenneth R. Gosselin,
Hartford Courant,
29 Mar. 2026
Noun
-
Sure, a lot of other stuff has to go right for the Royals to return to contention, including keeping their pitching staff healthy and progress by Caglianone and fellow promising rookie Carter Jensen.—
Kansas City Star,
Kansas City Star,
31 Mar. 2026
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But what lingered most after the meeting concluded was not the council’s split vote contention.—
Claire Murphy,
Chicago Tribune,
31 Mar. 2026
Noun
-
Could his insistence on deferring to Washington scare them off?—
Jim Edwards,
Fortune,
30 Mar. 2026
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In an era where an artist’s stream count is publicly visible and algorithms dictate discovery, the festival’s insistence on alphabetical listing and no headliners is a quiet act of resistance.—
Jessica Lynch,
Billboard,
30 Mar. 2026
Noun
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From this information, scientists developed what is being called the TLPath model based on the hypothesis that modifications in the shape and structure of cells and tissues could be used to predict the length of telomeres.—
Ashley Mackin Solomon,
San Diego Union-Tribune,
30 Mar. 2026
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This is also where the viewer will likely find their assumptions or hypotheses about Floyd’s death and the guilty party (or parties) involved start sifting through their fingers like sand.—
Andy Andersen,
Vulture,
30 Mar. 2026
Noun
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Johnson-Swartz was suspended from teaching at STEM School Highlands Ranch after the allegations emerged.—
Logan Smith,
CBS News,
29 Mar. 2026
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When asked about the allegations, Jewell said voters shouldn’t worry.—
Eleanor Nash,
Kansas City Star,
28 Mar. 2026
Cite this Entry
“Assertion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assertion. Accessed 3 Apr. 2026.
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