# sickness

> English word · Noun · IPA /ˈsɪknɪs/ · frequency rank #9,249

## Definitions
1. The quality or state of being sick or diseased; illness.
2. Nausea; qualmishness; as, sickness of stomach.
3. The analogical misuse of a rarer or marked grammatical case in the place of a more common or unmarked case.

## Etymology
From Middle English sikness, from Old English sēocnes. By surface analysis, sick + -ness.

## Common misspellings (11)
`isckness`, `scikness`, `sicckness`, `sickenss`, `sickkness`, `sicknes`, `sicknness`, `sicknses`, `sicnkess`, `sikcness`, `ssickness`

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