assertion

[uh-sur-shuhn]

noun

1. a positive statement or declaration, often without support or reason.

   a mere assertion;

   an unwarranted assertion.

   Synonyms: allegation, contention, claim

2. an act of asserting.

assertion

/ əˈsɜːʃən /

noun

1. a positive statement, usually made without an attempt at furnishing evidence

2. the act of asserting

Other Word Forms

• assertional adjective
• misassertion noun
• nonassertion noun
• overassertion noun
• reassertion noun
• superassertion noun

Word History and Origins

Origin of assertion¹

1375–1425; late Middle English assercion < Latin assertiōn- (stem of assertiō ). See assert, -ion

Example Sentences

The song finds its origins in Irish revolutionary James Connolly’s proto-feminist assertion that “the female worker is the slave of the slave.”

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Once again, there are assertions of a purge.

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Similarly, House Speaker Mike Johnson’s assertion that subsidy discussions should wait until December ignores the urgent need for insurers to know 2026 subsidy levels to set premiums.

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“That is not true,” Sylvie Andrews said, the crowd around her laughing at the assertion.

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The report did not provide evidence to support the state’s assertion.

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Related Words

• affirmation 
• allegation 
• contention 
• insistence 
• pronouncement