assertion

noun

as·​ser·​tion ə-ˈsər-shən How to pronounce assertion (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Colorado Education Association President Kevin Vick pushed back on the assertion that schools are operating with excess funding. Jessica Seaman, The Denver Post, 20 Mar. 2025 The Justice Department did not immediately respond to a request for comment on that assertion or on Furman's ruling. Luc Cohen, USA TODAY, 19 Mar. 2025 Trump pushed back on that assertion, telling Fox News' Laura Ingraham that foreign aid to Ukraine was never discussed during his call with Putin. Josh Hammer, Newsweek, 19 Mar. 2025 At issue is whether the government, invoking wartime powers at a moment when the country is not at war, can, on authorities’ bare assertion, with no judicial review, take individuals who have been convicted of no crime and deport them to serve hard time in the prisons of another country. Ruth Marcus, The New Yorker, 18 Mar. 2025 See All Example Sentences for assertion

Word History

Etymology

see assert

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of assertion was in the 15th century

Browse Nearby Words

Cite this Entry

“Assertion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/assertion. Accessed 24 Mar. 2025.

Kids Definition

assertion

noun
as·​ser·​tion ə-ˈsər-shən How to pronounce assertion (audio)
a-
: the act of asserting
also : something asserted : declaration

More from Merriam-Webster on assertion

Last Updated: - Updated example sentences
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