--- title: "BIP39 Word #1518: sad — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/sad/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1518 10111101101 # sad — BIP39 word #1518 "**sad**" is word #1518 of the 2048 words in the official BIP39 English wordlist, between [rural](/bip39-word/rural/) and [saddle](/bip39-word/saddle/). In a seed phrase it stands for the 11-bit value `10111101101`, decimal index 1517\. /sæd/ · _adjective:_ feeling unhappy or sorry [Russian](/ru/ "The BIP39 wordlist with Russian translations"): грустный ## 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): [diet](/bip39-word/diet/)[world](/bip39-word/world/)[oval](/bip39-word/oval/)[pumpkin](/bip39-word/pumpkin/)[remember](/bip39-word/remember/)[rifle](/bip39-word/rifle/)[sausage](/bip39-word/sausage/)[royal](/bip39-word/royal/)[rule](/bip39-word/rule/)[sadness](/bip39-word/sadness/)[rural](/bip39-word/rural/) Position Hex Index 0x5ED 4-Letter Prefix sad ## About "sad" in BIP39 - All three letters of "sad" also begin longer words: [saddle](/bip39-word/saddle/) and [sadness](/bip39-word/sadness/). So "sad" cannot be shortened, and a backup that keeps the first four letters of each word stores it as **"sad"** but saddle as **"sadd"**. ## Word #1518 in the Other 9 BIP39 Wordlists [Czech](/czech/) situace [French](/french/) polygone [Italian](/italian/) rumine [Japanese](/japanese/) のっく [Korean](/korean/) 정면 [Portuguese](/portuguese/) pitanga [Spanish](/spanish/) pulga [Traditional Chinese](/chinese-traditional/) 鄭 [Simplified Chinese](/chinese-simplified/) 郑 ## Similar Words — Check Carefully During Recovery 4 BIP39 words differ from "sad" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [dad](/bip39-word/dad/)[mad](/bip39-word/mad/)[sand](/bip39-word/sand/)[say](/bip39-word/say/) Read aloud, "sad" /sæd/ is one sound away from these 4 words: [add /æd/](/bip39-word/add/)[seed /siːd/](/bip39-word/seed/)[side /saɪd/](/bip39-word/side/)[sword /sɔːd/](/bip39-word/sword/) Words sharing the first three letters "sad": [saddle](/bip39-word/saddle/)[sadness](/bip39-word/sadness/) ## More BIP39 Words Starting with "S" [ #1519 saddle ](/bip39-word/saddle/)[ #1520 sadness ](/bip39-word/sadness/)[ #1521 safe ](/bip39-word/safe/)[ #1522 sail ](/bip39-word/sail/)[ #1764 symbol ](/bip39-word/symbol/)[ #1765 symptom ](/bip39-word/symptom/)[ #1766 syrup ](/bip39-word/syrup/)[ #1767 system ](/bip39-word/system/) [View all words starting with "S" ](/bip39-words/s/) ## Seed phrase, key and recovery guides - [How to Generate a BIP39 Seed Phrase with Dice, Step by Step](/seed-phrase-with-dice/) - [Derivation Path Explained: What m/44'/0'/0'/0/0 Means](/derivation-path/) - [Seed Phrase Scams: How Thieves Get Your Recovery Words](/seed-phrase-scams/) [ Full BIP39 Wordlist ](/)