button up

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

Sense 1

Meaning · English

To fasten with a button or buttons.

Where it’s used: Used American English

Examples

Button up your shirt cuff. It has come undone.

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 fasten all the buttons on a coat, or similar item of clothing, to keep warm.

Sources & notes

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

Sense 3

Meaning · English

To conclude; to finalize; to put the finishing touches (on).

Sources & notes

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

Common questions

What does “button up” mean?

To fasten with a button or buttons.

Is “button up” formal or informal?

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