Standard Lemma guide

concussion

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /kənˈkʌʃən/
  • Northern-England: /kənˈkʊʃən/
  • Northern-England: /ˈkɒnˈkʊʃən/
  • Northwestern, US: /kəŋkˈəʃɪn/
  • Canada: /kənˈkəʃn̩/
  • General-American: /kənˈkʌʃn̩/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ʌʃən
  • CMU ARPABET: K AH0 N K AH1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A violent collision or shock.

Definition source: English Wiktionary via Wiktextract

Usage: countable, obsolete, uncountable

Topics: geography, geology, natural-sciences, seismology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An injury to part of the body, most especially the brain, caused by a violent blow, followed by loss of function.

Definition source: English Wiktionary via Wiktextract

Usage: US, countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The unlawful forcing of another by threats of violence to yield up something of value.

Definition source: English Wiktionary via Wiktextract

Usage: countable, obsolete, uncountable

Topics: law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

any violent blow

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: blow, bump

5

noun

Meaning 5

injury to the brain caused by a blow; usually resulting in loss of consciousness

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: injury, accidental injury

History

Etymology

From Latin concussiō. Equivalent to concuss + -ion.

Across languages

Translations

47 source translations are retained for this English entry.

  • Bulgarian: сблъскване (sblǎskvane) — violent collision or shock
  • Finnish: isku — violent collision or shock
  • French: choc — violent collision or shock
  • Georgian: შერყევა (šerq̇eva) — violent collision or shock
  • Greek: κλονισμός (klonismós) — violent collision or shock
  • Occitan: estrementida — violent collision or shock
  • Polish: wstrząs — violent collision or shock
  • Russian: уши́б (ušíb) — violent collision or shock
  • Russian: уда́р (udár) — violent collision or shock
  • Spanish: choque — violent collision or shock
  • Arabic: اِرْتِجَاج (irtijāj) — injury
  • Bulgarian: сътресение (sǎtresenie) — injury
  • Catalan: concussió — injury
  • Chinese Mandarin: 震盪 /震荡 (zhèndàng) — injury
  • Danish: hjernerystelse — injury
  • Dutch: hersenschudding — injury
  • Finnish: aivotärähdys — injury
  • French: commotion — injury
  • French: commotion cérébrale — injury
  • Georgian: შერყევა (šerq̇eva) — injury
  • Georgian: კონტუზია (ḳonṭuzia) — injury
  • German: Gehirnerschütterung — injury
  • German: Erschütterung — injury
  • German: Stoßverletzung — injury
  • German: Konkussion — injury
  • Greek: διάσειση (diáseisi) — injury
  • Hungarian: agyrázkódás — injury
  • Icelandic: heilahristingur — injury
  • Italian: commozione cerebrale — injury
  • Japanese: 震盪 (shintō) — injury
  • Norwegian Bokmål: hjernerystelse — injury
  • Norwegian Nynorsk: hjerneristing — injury
  • Polish: wstrząśnienie mózgu — injury
  • Polish: wstrząs mózgu — injury
  • Portuguese: concussão — injury
  • Romanian: comoție cerebrală — injury
  • Russian: сотрясе́ние (sotrjasénije) — injury
  • Russian: коммо́ция (kommócija) — injury
  • Spanish: conmoción cerebral — injury
  • Spanish: concusión — injury
  • Swahili: mshtuko wa ubongo — injury
  • Swedish: hjärnskakning — injury
  • Turkish: beyin sarsıntısı — injury
  • Ukrainian: струс мо́зку (strus mózku) — injury
  • Ukrainian: комо́ція (komócija) — injury
  • Ukrainian: конту́зія (kontúzija) — injury
  • Finnish: pakottaminen — unlawful forcing
Real reading context

concussion in complete knowledge articles