assertion

[uh-sur-shuhn] / əˈsɜr ʃən /

NOUN

declaration, positive statement

Synonyms

STRONGEST

affirmation allegation contention insistence pronouncement

STRONG

attestation avowal defense maintenance mouthful okay predication profession report vindication

WEAK

asservation say so stamp of approval stressing two cents' worth

Antonyms

WEAK

denial rejection

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

While the possibility remains that hostilities could flare up again in the Persian Gulf, Haefele is adamant that gradual de-escalation is ongoing, citing President President Trump’s assertion that a cease fire is still in effect.

From MarketWatch • May 8, 2026

Pratt, a reality TV personality whose home was destroyed in the 2025 Palisades fire, rejected that assertion, saying he holds the mayor responsible for the devastating inferno.

From Los Angeles Times • May 6, 2026

Others simply mocked the assertion that a new ballroom would sew up the president’s apparent security concerns.

From Salon • May 1, 2026

But Phillipson rejected that assertion and said the government was "committed to action".

From BBC • Apr. 28, 2026

Taken literally, this assertion seems implausible, and historians’ skepticism seems merited.

From "1491" by Charles C. Mann

Vocabulary lists containing assertion

The New SAT: Words to Capture Tone

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The SAT: Words to Capture Tone, List 6

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"The Story of an Hour" by Kate Chopin

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