---
title: "BIP39 Word #1896: undo — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/undo/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1896 11101100111 

# undo — BIP39 word #1896

"**undo**" is word #1896 of the 2048 words in the official BIP39 English wordlist, between [under](/bip39-word/under/) and [unfair](/bip39-word/unfair/). In a seed phrase it stands for the 11-bit value `11101100111`, decimal index 1895\. 

/ʌnˈduː/  · _verb:_ to open or untie something, or to reverse the effect of an action 

[Russian](/ru/ "The BIP39 wordlist with Russian translations"): отменять 

## Binary Representation

Eight 1-bits and three 0-bits; 165 of the 2048 indexes have exactly eight 1-bits.

One wrong bit turns it into (leftmost bit first):

[hollow](/bip39-word/hollow/)[provide](/bip39-word/provide/)[smooth](/bip39-word/smooth/)[woman](/bip39-word/woman/)[top](/bip39-word/top/)[trophy](/bip39-word/trophy/)[upon](/bip39-word/upon/)[unknown](/bip39-word/unknown/)[unaware](/bip39-word/unaware/)[uncover](/bip39-word/uncover/)[under](/bip39-word/under/) 

Position

Hex Index

0x767

4-Letter Prefix

undo

## About "undo" in BIP39

- It takes all four letters to identify "undo": **"und"** also begins [under](/bip39-word/under/).

## Word #1896 in the Other 9 BIP39 Wordlists

[Czech](/czech/) vynikat 

[French](/french/) torche 

[Italian](/italian/) trivella 

[Japanese](/japanese/) めんきょ 

[Korean](/korean/) 하순 

[Portuguese](/portuguese/) tomada 

[Spanish](/spanish/) tráfico 

[Traditional Chinese](/chinese-traditional/) 雅 

[Simplified Chinese](/chinese-simplified/) 雅 

## Similar Words — Check Carefully During Recovery

Read aloud, "undo" /ʌnˈduː/ is one sound away from this word: 

[under /ˈʌndə/](/bip39-word/under/) 

Words sharing the first three letters "und":

[under](/bip39-word/under/) 

## More BIP39 Words Starting with "U"

[ #1892 unaware ](/bip39-word/unaware/)[ #1893 uncle ](/bip39-word/uncle/)[ #1894 uncover ](/bip39-word/uncover/)[ #1895 under ](/bip39-word/under/)[ #1897 unfair ](/bip39-word/unfair/)[ #1898 unfold ](/bip39-word/unfold/)[ #1899 unhappy ](/bip39-word/unhappy/)[ #1900 uniform ](/bip39-word/uniform/) 

[View all words starting with "U" ](/bip39-words/u/) 

## Seed phrase, key and recovery guides

- [SLIP-39 vs BIP39: Shamir Backup and 20-Word Shares Explained](/slip39-vs-bip39/)
- [Why You Should Never Create Your Own Seed Phrase](/why-you-should-never-create-your-own-seed-phrase/)
- [12 vs 24 Word Seed Phrase: Which Is More Secure?](/12-vs-24-word-seed-phrase/)

[ Full BIP39 Wordlist ](/)