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Etymology

sick

/sɪk/

adjective

Origin

Proto-Germanic

*seukaz — ill, sick

Overview

Meaning Now

  • affected by physical or mental illness.
  • affected by nausea; wanting to vomit.
  • slang: excellent, impressive, or extraordinary.

Language path

Proto-Germanic → Old English → Middle English → English

Earliest form

seoc

Earliest period

Old English

Journey

The word stems from a common Germanic root. In British English, 'sick' historically retained the meaning of nausea, while 'ill' was used for general sickness; in American English, 'sick' covers both, often referring specifically to gastrointestinal distress.

Evolution

  1. Proto-Germanic

    *seukaz

    “ailing”

  2. Old English

    seoc

    “ill, weak, infirm”

    Used broadly for any kind of ailment.

  3. Middle English

    sek

    “ill, unhealthy”

    Influenced by Middle Low German and Norse variants.

  4. Modern English

    sick

    “unwell, nauseous, slang for cool”

    Semantic narrowing to nausea in American English.

Connections

Word parts

sick

root

illness

Related across languages

  • Old High German

    siuh

    sick

  • Old Norse

    sjúkr

    sick

  • Gothic

    siuks

    sick

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