assertion

noun
as·​ser·​tion | \ ə-ˈsər-shən How to pronounce assertion (audio) , a-\

Definition of assertion

: 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.

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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 authors followed up on many ramifications of their initial findings and did an inordinate number of experiments to bolster each of their assertions. Diana Gitig, Ars Technica, "Sugar cures cancer! (Not really, but one sugar may help chemo)," 21 Nov. 2018 The fact that there is no such law did not stop the president from repeating his assertion half a dozen times. Nancy Cordes, CBS News, "Trump continues to falsely claim there's a law on family separation," 15 June 2018 Barring a brief visit to American troops overseas, he’s spent the week actively spinning up other baseless assertions about border security on Twitter and criticizing congressional Democrats who have refused to meet his $5-billion ask. Amanda Sakuma, Vox, "Trump threatens to shut down the border for the third time in three months," 29 Dec. 2018 The Internet understandably lost it over Rihanna's assertion against Trump. Abby Gardner, Teen Vogue, "Rihanna Filed a Cease-and-Desist Letter Against Trump After He Played Her Music at a Political Rally," 6 Nov. 2018 Among other findings from the report: — Investigators questioned Price's assertion that his official schedule prevented him from flying commercial. NBC News, "Watchdog: $341,000 wasted on travel for former high-flying HHS chief Tom Price," 13 July 2018 The command rings hollow as a packaging slogan, but Smith lays it out there as a pointed provocation, part of the show's larger assertion that acts of nurture and nationhood, art and humanity are profoundly linked. Leah Ollman, latimes.com, "In Shinique Smith's 'Refuge,' bits of past make for a compelling present," 3 July 2018 Despite the assertion, rumors continued to swirl that Zoey 101 had been cancelled because of Spears' news. Katherine J. Igoe, Marie Claire, "Jamie Lynn Spears Reveals 'Zoey 101' Didn't Actually End Because She Was Pregnant," 10 Jan. 2019 Many of the paintings, including our little manuscript page, give lie to the assertion that the concept of romantic love came to India with the British. Sharmila Mukherjee, The Seattle Times, "SAM’s ‘Peacock in the Desert’ opens the doors of our perception to the marvelous," 2 Jan. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'assertion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of assertion

15th century, in the meaning defined above

History and Etymology for assertion

see assert

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Last Updated

11 Mar 2019

Look-up Popularity

Time Traveler for assertion

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

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More Definitions for assertion

assertion

noun
as·​ser·​tion | \ ə-ˈsər-shən How to pronounce assertion (audio) \

Kids Definition of assertion

1 : the act of stating clearly and strongly or making others aware the assertion of his innocence
2 : something stated as if certain They did not believe me despite my assertions.

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Comments on assertion

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