# opioid

> English word · Noun · IPA /ˈəʊpiɔɪd/ · frequency rank #18,908

## Definitions
1. A substance that has effects similar to opium:
2. A substance that has effects similar to opium:

## Etymology
Attested 1963; from opium + -oid, to distinguish from opiate.

## Common misspellings (7)
`oipoid`, `opiiod`, `opiodi`, `opioidd`, `opoiid`, `oppioid`, `poioid`

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