---
title: "BIP39 Word #1499: robust — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/robust/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1499 10111011010 

# robust — BIP39 word #1499

"**robust**" is word #1499 of the 2048 words in the official BIP39 English wordlist, between [robot](/bip39-word/robot/) and [rocket](/bip39-word/rocket/). In a seed phrase it stands for the 11-bit value `10111011010`, decimal index 1498\. 

/rəʊˈbʌst/  · _adjective:_ strong and healthy, or able to withstand hard conditions 

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

## Binary Representation

Seven 1-bits and four 0-bits; 330 of the 2048 indexes have exactly seven 1-bits.

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

[deputy](/bip39-word/deputy/)[win](/bip39-word/win/)[opera](/bip39-word/opera/)[prize](/bip39-word/prize/)[rebuild](/bip39-word/rebuild/)[satisfy](/bip39-word/satisfy/)[rich](/bip39-word/rich/)[ripple](/bip39-word/ripple/)[rookie](/bip39-word/rookie/)[roast](/bip39-word/roast/)[rocket](/bip39-word/rocket/) 

Position

Hex Index

0x5DA

4-Letter Prefix

robu

## About "robust" in BIP39

- "robust" has 6 letters, but the first four, **"robu"**, already identify it, because **"rob"** also begins [robot](/bip39-word/robot/).
- **"robu"** is unique only within the English list: it also begins robusto in the [Italian list](/italian/), so a four-letter backup should say which list it uses.

## Word #1499 in the Other 9 BIP39 Wordlists

[Czech](/czech/) seskok 

[French](/french/) plastron 

[Italian](/italian/) roco 

[Japanese](/japanese/) ねんちゃく 

[Korean](/korean/) 절망 

[Portuguese](/portuguese/) piedade 

[Spanish](/spanish/) proa 

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

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

## Similar Words — Check Carefully During Recovery

Words sharing the first three letters "rob":

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

## More BIP39 Words Starting with "R"

[ #1495 river ](/bip39-word/river/)[ #1496 road ](/bip39-word/road/)[ #1497 roast ](/bip39-word/roast/)[ #1498 robot ](/bip39-word/robot/)[ #1500 rocket ](/bip39-word/rocket/)[ #1501 romance ](/bip39-word/romance/)[ #1502 roof ](/bip39-word/roof/)[ #1503 rookie ](/bip39-word/rookie/) 

[View all words starting with "R" ](/bip39-words/r/) 

## Seed phrase, key and recovery guides

- [Bitcoin Improvement Proposal (BIP): Process and Deployed BIP List](/bitcoin-improvement-proposal/)
- [TON Seed Phrase: 24-Word Format vs 12-Word BIP39 Phrases](/seed-phrase-format-for-ton-wallets/)
- [Recover Lost Bitcoin: Find Wallet Backups and Seed Phrases](/recover-lost-bitcoin-find-wallet-backups/)

[ Full BIP39 Wordlist ](/)