assure

/əˈʃɔː(ɹ)/

Proposed by a contributor, not yet supported by evidence.

Also seen as: assures · assuring

Sense 1

Meaning · English

To make sure and secure; ensure.

Verb

Sources & notes

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

Sense 2

Meaning · English

To give (someone) confidence in the trustworthiness of (something).

Verb

Examples

I assure you that the program will work smoothly when we demonstrate it to the client.

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 “assure” mean?

To make sure and secure; ensure.

Is “assure” formal or informal?

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