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.
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
Yet the President himself stokes fears of a slippery slope to strongman rule with his blanket assertions of power, his disregard for democratic guardrails, and his talk of running for a third term, despite the 22nd Amendment’s prohibition.
—
Eric Cortellessa, Time, 25 Apr. 2025
Green’s teammate, Moses Moody, gave a sarcastic response to Brooks’ assertion.
—Joseph Dycus, Mercury News, 25 Apr. 2025
Guo, the spokesperson for the Chinese Foreign Ministry, rejected Trump’s assertions suggesting progress toward a trade deal.
—Max Zahn, ABC News, 24 Apr. 2025
Those assertions by Weinstein include those with multiple accusers who had never met each other giving very similar graphic accounts, going back to the 1970s, of rapes and assaults in hotel rooms, in homes and during industry events.
—Dominic Patten, Deadline, 23 Apr. 2025
See All Example Sentences for assertion
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Eric Cortellessa, Time, 25 Apr. 2025
Green’s teammate, Moses Moody, gave a sarcastic response to Brooks’ assertion.
—Joseph Dycus, Mercury News, 25 Apr. 2025
Guo, the spokesperson for the Chinese Foreign Ministry, rejected Trump’s assertions suggesting progress toward a trade deal.
—Max Zahn, ABC News, 24 Apr. 2025
Those assertions by Weinstein include those with multiple accusers who had never met each other giving very similar graphic accounts, going back to the 1970s, of rapes and assaults in hotel rooms, in homes and during industry events.
—Dominic Patten, Deadline, 23 Apr. 2025
See All Example Sentences for assertion
Cite this Entry
“Assertion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/assertion. Accessed 29 Apr. 2025.
Copy CitationKids Definition
assertion
noun
as·ser·tion
ə-ˈsər-shən
a-
: the act of asserting
also
: something asserted : declaration
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