assertion

/əˈsɜːʃən/

Proposed by a contributor, not yet supported by evidence.

Also seen as: assertions

Sense 1

Meaning · English

The act of asserting; positive declaration or averment.

Noun

Examples

"Do tell us the real name of your country, and then when you are gone we shall know how to talk about you." To this luminous argument and remonstrance I could oppose nothing but assertion, and the whole party remained firmly convinced that I was for some reason or other deceiving them.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

Something which is asserted; a declaration; a statement asserted.

Noun

Examples

You're a man of strong assertions!

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “assertion” mean?

The act of asserting; positive declaration or averment.

Is “assertion” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.