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.
The bold assertions of a former president at a Southern Baptist Convention seminary that the institution disparagingly made statements about financial mismanagement ended with an anticlimactic, $0 legal settlement following new revelations that emerged in discovery. Liam Adams, The Tennessean, 20 Dec. 2024 Art for the Nazis was a means to an end rather than a worthy pursuit of self-expression, with the objective being assertion of power and a rigid set of ethnocultural norms. Lewis Gordon, Vulture, 18 Dec. 2024 Despite bold assertions from some suggesting AI/ML could completely replace engineers and SREs, the reality remains different. Tom Wilkie, Forbes, 18 Dec. 2024 On the other hand, Kennedy’s false assertions of scientific correlations in children between vaccines and autism bolster a need for additional research, the president-elect said. Alexis Simendinger, The Hill, 17 Dec. 2024 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

Dictionary Entries Near assertion

Cite this Entry

“Assertion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/assertion. Accessed 5 Jan. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!