verb · 4 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
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Received-Pronunciation:/kənˈkʌs/
Received-Pronunciation:/ˈkɒn.kʌs/
Southern-England:Recorded audio is listed in the source snapshot.
Northern-England:/kənˈkʊs/
Northern-England:/ˈkɒn.kʊs/
rhymes with -ʌs
1
verb
Meaning 1
To injure the brain of, usually temporarily, by violent impact.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Examples
The blow will concuss him.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
verb
Meaning 2
To force to do something, or give up something, by intimidation; to coerce.
Definition source: English Wiktionary via Wiktextract
Topics: law
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
injure the brain; sustain a concussion
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: injure, wound
4
verb
Meaning 4
shake violently
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: shake, agitate
History
Etymology
From Latin concussus, the perfect passive participle of concutiō (“shake violently”), from con- + quatiō (“shake, hit”).
Across languages
Translations
3 source translations are retained for this English entry.
Dutch:
een hersenschudding veroorzaken
— injure the brain