# abnormal

> English word · Adjective · IPA /ˌæbˈnɔː.məl/ · frequency rank #10,973

## Definitions
1. Not conforming to rule or system; deviating from the usual or normal type.
2. Of or pertaining to that which is irregular, in particular, behaviour that deviates from norms of social propriety or accepted standards of mental health.

## Etymology
From ab- + normal. First attested in 1835, replacing the earlier anormal and even earlier abnormous, from Latin abnormis (“departing from normal”), from either ab- (“away from”) + norma (“rule, norm”), or Ancient Greek ἀνώμαλος (anṓmalos).

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

## Common misspellings (12)
`abbnormal`, `abnnormal`, `abnomral`, `abnoraml`, `abnormall`, `abnormla`, `abnormmal`, `abnorrmal`, `abnromal`, `abonrmal`, `anbormal`, `banormal`

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