# methadone

> English word · Noun · IPA /ˈmɛθ.əd.əʊn/ · frequency rank #29,739

## Definitions
1. A powerful synthetic analgesic drug which is similar to morphine in its effects but less sedative and is used as a substitute drug in the treatment of morphine and heroin addiction.

## Etymology
From (di)meth(yl)a(mino) + d(iphenyl) + (heptan)one.

## Easily confused with
- **methane** (https://plainspell.com/en/vs/methadone-vs-methane)

## Common misspellings (13)
`emthadone`, `mehtadone`, `metahdone`, `methaddone`, `methadnoe`, `methadoen`, `methadonne`, `methaodne`, `methdaone`, `methhadone`, `metthadone`, `mmethadone`, `mtehadone`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/methadone