---
title: "BIP39 Word #531: drastic — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/drastic/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #531 01000010010 

# drastic — BIP39 word #531

"**drastic**" is word #531 of the 2048 words in the official BIP39 English wordlist, between [drama](/bip39-word/drama/) and [draw](/bip39-word/draw/). In a seed phrase it stands for the 11-bit value `01000010010`, decimal index 530\. 

/ˈdræstɪk/  · _adjective:_ having a strong or far-reaching effect, often extreme 

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

## Binary Representation

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

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

[seat](/bip39-word/seat/)[across](/bip39-word/across/)[girl](/bip39-word/girl/)[false](/bip39-word/false/)[engage](/bip39-word/engage/)[edge](/bip39-word/edge/)[doctor](/bip39-word/doctor/)[drive](/bip39-word/drive/)[drift](/bip39-word/drift/)[dragon](/bip39-word/dragon/)[draw](/bip39-word/draw/) 

Position

Hex Index

0x212

4-Letter Prefix

dras

## About "drastic" in BIP39

- "drastic" has 7 letters, but the first four, **"dras"**, already identify it, because **"dra"** also begins [draft](/bip39-word/draft/), [dragon](/bip39-word/dragon/), [drama](/bip39-word/drama/) and [draw](/bip39-word/draw/).
- "drastic" appears in one of the 24 official English [test vectors](https://github.com/trezor/python-mnemonic/blob/master/vectors.json) of BIP39: vector #20 (word 5 of 18). Every official vector passes the [checksum checker](/bip39-checksum-checker/), and [How BIP39 works](/how-bip39-works/) shows how the entropy turns into such words.

Official test vector #20

[light](/bip39-word/light/) [rule](/bip39-word/rule/) [cinnamon](/bip39-word/cinnamon/) [wrap](/bip39-word/wrap/) drastic [word](/bip39-word/word/) [pride](/bip39-word/pride/) [squirrel](/bip39-word/squirrel/) [upgrade](/bip39-word/upgrade/) [then](/bip39-word/then/) [income](/bip39-word/income/) [fatal](/bip39-word/fatal/) [apart](/bip39-word/apart/) [sustain](/bip39-word/sustain/) [crack](/bip39-word/crack/) [supply](/bip39-word/supply/) [proud](/bip39-word/proud/) [access](/bip39-word/access/) 

## Word #531 in the Other 9 BIP39 Wordlists

[Czech](/czech/) jiskra 

[French](/french/) dénicher 

[Italian](/italian/) economia 

[Japanese](/japanese/) げきやく 

[Korean](/korean/) 물결 

[Portuguese](/portuguese/) criada 

[Spanish](/spanish/) detalle 

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

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

## Similar Words — Check Carefully During Recovery

Words sharing the first three letters "dra":

[draft](/bip39-word/draft/)[dragon](/bip39-word/dragon/)[drama](/bip39-word/drama/)[draw](/bip39-word/draw/) 

## More BIP39 Words Starting with "D"

[ #527 dove ](/bip39-word/dove/)[ #528 draft ](/bip39-word/draft/)[ #529 dragon ](/bip39-word/dragon/)[ #530 drama ](/bip39-word/drama/)[ #532 draw ](/bip39-word/draw/)[ #533 dream ](/bip39-word/dream/)[ #534 dress ](/bip39-word/dress/)[ #535 drift ](/bip39-word/drift/) 

[View all words starting with "D" ](/bip39-words/d/) 

## 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 ](/)