C1noun3K

UK/["/əˈsɜːʃn/"]/US/["/əˈsɜːrʃn/"]/

Meaning of Assertion

a statement saying that you strongly believe something to be true

In simple words: A statement that someone believes is true.

Assertion in a sentence

  • He was correct in his assertion that the minister had been lying.
  • Do you have any evidence to support your assertions?
  • Your assertion is not supported by the facts.
  • Researchers have recently challenged these assertions.
  • The argument needs to progress beyond the simple assertion that criminals are made not born.
  • They made sweeping assertions about the role of women in society.
  • the assertion of his authority
  • The demonstration was an assertion of the right to peaceful protest.

How to use Assertion

Use 'assertion' in formal contexts such as academic writing or debates. It is less common in everyday conversation. Avoid using it when speaking informally.

Grammar pattern

assertion + (that) clause

Memory hint

Think of 'assert' as being 'sure' — you assert something when you are sure it's true.

Related words

Collocations with Assertion

Synonyms for Assertion

Opposites of Assertion

Common mistakes with Assertion

  • Confusing 'assertion' with 'assumption', which means a belief without proof.
  • Using 'assert' without a clear object; it should be 'he made an assertion'.

Compare Assertion with Statement, Claim, Declaration, Allegation

Assertion appears in

Assertion in other languages

More words like Assertion

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Frequently asked questions about Assertion

What does Assertion mean?

A statement that someone believes is true.

What is the definition of Assertion?

a statement saying that you strongly believe something to be true

How do you use Assertion in a sentence?

He was correct in his assertion that the minister had been lying.

Can you give another example of Assertion?

Do you have any evidence to support your assertions?

What are synonyms for Assertion?

Common alternatives include statement, claim, declaration, allegation, affirmation.

What is the opposite of Assertion?

Opposite meanings include denial, rejection.

What words go with Assertion?

It commonly pairs with bold, confident, strong, make, justify, prove, assertion about.

What are common mistakes when using Assertion?

Confusing 'assertion' with 'assumption', which means a belief without proof. Using 'assert' without a clear object; it should be 'he made an assertion'.

How do you pronounce Assertion?

US: /["/əˈsɜːrʃn/"]/, UK: /["/əˈsɜːʃn/"]/. Listen to the audio above to hear native pronunciation.

When should I use Assertion?

Use 'assertion' in formal contexts such as academic writing or debates. It is less common in everyday conversation. Avoid using it when speaking informally.

What CEFR level is Assertion?

"Assertion" is at C1 level on the CEFR scale.