blow off

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Meaning · English

To remove something by blowing on it.

Where it’s used: Used American English

Examples

She blew the dust off the cookbook, revealing its full title.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 2

Meaning · English

To vent, usually, to reduce pressure in a container.

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 3

Meaning · English

To let steam escape through a passage provided for the purpose.

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “blow off” mean?

To remove something by blowing on it.

Is “blow off” formal or informal?

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