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Assertion Meaning in English

word

əˈsɝʃən
uh-SUR-shun
ɐsˈɜːʃən
uh-SUR-shun

Definition

A statement that someone says is true, often without proof or with strong confidence. It can also mean the act of stating something clearly and firmly.

Usage & Nuances

'Assertion' is formal, common in academic, legal, or argumentative contexts. It may imply a lack of evidence ('an unsupported assertion'). Not used for physical acts ('assert oneself' is different). Related to 'claim' but more formal and confident.

Example Sentences

Her assertion was that the meeting would be short.

basic

The lawyer made an assertion about the evidence.

basic

His assertion was not supported by facts.

basic

That's a pretty bold assertion to make without any proof.

natural

Her quiet assertion of her opinion impressed everyone.

natural

Some people mistake confidence for assertion, but they're not the same.

natural