tool up

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

Sense 1

Meaning · English

To furnish with equipment.

Register: informal

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 arm oneself with a weapon, especially a gun.

Register: informal

Sources & notes

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

Common questions

What does “tool up” mean?

To furnish with equipment.

Is “tool up” formal or informal?

tool up is generally informal.