pump up

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

Sense 1

Meaning · English

To inflate by means of a pump.

Where it’s used: Used American English
Sources & notes

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

Sense 2

Meaning · English

To inflate by means of a pump. — To do so with a pumping action.

Sources & notes

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

Sense 3

Meaning · English

To excite a person or group to a frenzy.

Sources & notes

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

Common questions

What does “pump up” mean?

To inflate by means of a pump.

Is “pump up” formal or informal?

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