English · Phrasal verb Attested

pipe up

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

Sense 1

Meaning · English

To speak up, especially in a robust, assertive manner; to say something loudly and suddenly.

Where it’s used: Used American English

"You seem to have a lot to say," remarked Silver, spitting far into the air. "Pipe up and let me hear it, or lay to."

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).

Meaning · English

To begin singing or playing musical notes on a pipe or similar wind instrument.

Sources & notes

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

Meaning · English

To begin to blow more vigorously.

Sources & notes

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

What does “pipe up” mean?

To speak up, especially in a robust, assertive manner; to say something loudly and suddenly.

Is “pipe up” formal or informal?

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