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 The Department of Justice’s argument disputes that assertion. Nicole Blanchard, Idaho Statesman, 5 Apr. 2024 But Agency Doubles Down on Financial ‘Misconduct’ Claims In a statement, Freedman defended his remark and reiterated the agency’s assertion that Kassan’s activities crossed a line. Cynthia Littleton, Variety, 29 Mar. 2024 See all Example Sentences for assertion 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'assertion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 19 Apr. 2024.

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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