assertion
noun
as·ser·tion
ə-ˈsər-shən 
a-
: the act of asserting or something that is asserted: such as
a
: insistent and positive affirming, maintaining, or defending (as of a right or attribute)
an assertion of ownership/innocence
b
: a declaration that something is the case
He presented no evidence to support his assertions.
Synonyms
Examples of assertion in a Sentence
the assertion that all men have certain unalienable rights is set forth in the Declaration of Independence
made the unlikely assertion that gravity affects light
Recent Examples on the Web
Some scientists have dismissed some of Kennedy’s assertions as absurd and not based in science.
—
Rong-Gong Lin Ii, Los Angeles Times, 8 Dec. 2024
Justice Sonia Sotomayor pushed back against the assertion that the democratic process would be the best way to address objections to the law.
—arkansasonline.com, 5 Dec. 2024
Family members of Hannah Kobayashi, a Hawaii woman who disappeared more than two weeks ago, disagree with a new assertion made by the Los Angeles Police Department in their investigation.
—Christina Coulter, Fox News, 2 Dec. 2024
Related article Endocrine-disrupting chemicals are everywhere and could have many health impacts, researchers say
But there are also concerns about some of the study’s broader assertions, according to Amies Oelschlager and other experts.
—Kristen Rogers, CNN, 29 Nov. 2024
See all Example Sentences for assertion 
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Rong-Gong Lin Ii, Los Angeles Times, 8 Dec. 2024
Justice Sonia Sotomayor pushed back against the assertion that the democratic process would be the best way to address objections to the law.
—arkansasonline.com, 5 Dec. 2024
Family members of Hannah Kobayashi, a Hawaii woman who disappeared more than two weeks ago, disagree with a new assertion made by the Los Angeles Police Department in their investigation.
—Christina Coulter, Fox News, 2 Dec. 2024
Related article Endocrine-disrupting chemicals are everywhere and could have many health impacts, researchers say
But there are also concerns about some of the study’s broader assertions, according to Amies Oelschlager and other experts.
—Kristen Rogers, CNN, 29 Nov. 2024
See all Example Sentences for assertion
Dictionary Entries Near assertion
Cite this Entry
“Assertion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/assertion. Accessed 17 Dec. 2024.
Copy CitationKids Definition
assertion
noun
as·ser·tion
ə-ˈsər-shən
a-
: the act of asserting
also
: something asserted : declaration
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