---
title: "BIP39 Word #1240: online — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/online/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1240 10011010111 

# online — BIP39 word #1240

"**online**" is word #1240 of the 2048 words in the official BIP39 English wordlist, between [onion](/bip39-word/onion/) and [only](/bip39-word/only/). In a seed phrase it stands for the 11-bit value `10011010111`, decimal index 1239\. 

/ˈɒnˌlaɪn/  · _adjective:_ connected to or available through the internet 

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

## 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):

[brain](/bip39-word/brain/)[sustain](/bip39-word/sustain/)[road](/bip39-word/road/)[memory](/bip39-word/memory/)[napkin](/bip39-word/napkin/)[page](/bip39-word/page/)[ocean](/bip39-word/ocean/)[orbit](/bip39-word/orbit/)[omit](/bip39-word/omit/)[one](/bip39-word/one/)[onion](/bip39-word/onion/) 

Position

Hex Index

0x4D7

4-Letter Prefix

onli

## About "online" in BIP39

- "online" has 6 letters, but the first four, **"onli"**, already identify it, because **"onl"** also begins [only](/bip39-word/only/).

## Word #1240 in the Other 9 BIP39 Wordlists

[Czech](/czech/) pobyt 

[French](/french/) méthode 

[Italian](/italian/) pattume 

[Japanese](/japanese/) つまらない 

[Korean](/korean/) 외할머니 

[Portuguese](/portuguese/) matagal 

[Spanish](/spanish/) niño 

[Traditional Chinese](/chinese-traditional/) 億 

[Simplified Chinese](/chinese-simplified/) 亿 

## Similar Words — Check Carefully During Recovery

Words sharing the first three letters "onl":

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

## More BIP39 Words Starting with "O"

[ #1236 omit ](/bip39-word/omit/)[ #1237 once ](/bip39-word/once/)[ #1238 one ](/bip39-word/one/)[ #1239 onion ](/bip39-word/onion/)[ #1241 only ](/bip39-word/only/)[ #1242 open ](/bip39-word/open/)[ #1243 opera ](/bip39-word/opera/)[ #1244 opinion ](/bip39-word/opinion/) 

[View all words starting with "O" ](/bip39-words/o/) 

## 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 ](/)