concussion
[noun]
Synonyms: impact, bump, clash, collision, crash, jar, jolt, percussion, shock, smash

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Related Words: beating, buffeting, jarring, jolting, pounding, shaking, blow, clip, clout

[TahlilGaran] English Synonym Dictionary ▲

con‧cus‧sion /kənˈkʌʃən/ noun
[Date: 1500-1600; Language: Latin; Origin: concussio, from concutere 'to shake violently', from com- ( ⇒ COM-) + quatere 'to shake']

1. [uncountable] British English [countable] American English a small amount of damage to the brain that makes you lose consciousness or feel sick for a short time, usually caused by something hitting your head
with (a) concussion
He was rushed into hospital with concussion.
I had a concussion and a lot of scrapes and bruises.

2. [countable usually singular] a violent shaking movement, caused by the very loud sound of something such as an explosion:
The ground shuddered and heaved with the concussion of the blast.

[TahlilGaran] Dictionary of Contemporary English ▲

concussion
noun
ADJ. bad | mild, minor, slight
VERB + CONCUSSION have, suffer
PREP. with ~ He was carried off the field with slight concussion.

[TahlilGaran] Collocations Dictionary ▲