# unbutton

> English word · Verb · IPA /ʌnˈbʌtən/ · frequency rank #80,080

## Definitions
1. To open (something) by undoing its buttons.
2. To come open by having its buttons unfastened.

## Etymology
From Middle English onbottonen, unbotonen; equivalent to un- + button.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/unbutton