---
title: "BIP39 Word #206: boost — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/boost/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #206 00011001101 

# boost — BIP39 word #206

"**boost**" is word #206 of the 2048 words in the official BIP39 English wordlist, between [book](/bip39-word/book/) and [border](/bip39-word/border/). In a seed phrase it stands for the 11-bit value `00011001101`, decimal index 205\. 

/buːst/  · _verb:_ to increase or improve something 

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

## Binary Representation

Five 1-bits and six 0-bits; 462 of the 2048 indexes have exactly five 1-bits.

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

[often](/bip39-word/often/)[fluid](/bip39-word/fluid/)[defy](/bip39-word/defy/)[answer](/bip39-word/answer/)[balance](/bip39-word/balance/)[buffalo](/bip39-word/buffalo/)[brick](/bip39-word/brick/)[board](/bip39-word/board/)[bomb](/bip39-word/bomb/)[boring](/bip39-word/boring/)[book](/bip39-word/book/) 

Position

Hex Index

0x0CD

4-Letter Prefix

boos

## About "boost" in BIP39

- "boost" has 5 letters, but the first four, **"boos"**, already identify it, because **"boo"** also begins [book](/bip39-word/book/).

## Word #206 in the Other 9 BIP39 Wordlists

[Czech](/czech/) cupot 

[French](/french/) barbier 

[Italian](/italian/) barlume 

[Japanese](/japanese/) うんこう 

[Korean](/korean/) 국회 

[Portuguese](/portuguese/) atirador 

[Spanish](/spanish/) azar 

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

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

## Similar Words — Check Carefully During Recovery

Read aloud, "boost" /buːst/ is one sound away from these 2 words: 

[best /bɛst/](/bip39-word/best/)[burst /bɜːst/](/bip39-word/burst/) 

Words sharing the first three letters "boo":

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

## More BIP39 Words Starting with "B"

[ #202 bomb ](/bip39-word/bomb/)[ #203 bone ](/bip39-word/bone/)[ #204 bonus ](/bip39-word/bonus/)[ #205 book ](/bip39-word/book/)[ #207 border ](/bip39-word/border/)[ #208 boring ](/bip39-word/boring/)[ #209 borrow ](/bip39-word/borrow/)[ #210 boss ](/bip39-word/boss/) 

[View all words starting with "B" ](/bip39-words/b/) 

## Seed phrase, key and recovery guides

- [BIP39 Passphrase: How the 25th Word Creates a Hidden Wallet](/bip39-passphrase/)
- [Is My Seed Phrase Compromised? Signs and What to Do Next](/bip39-seed-phrase-compromise/)
- [BIP 32 Explained: Hierarchical Deterministic Wallets](/bip-32/)

[ Full BIP39 Wordlist ](/)