Synonyms of concussion

concussion

noun

kən-ˈkə-shən 

1

as in collision

a forceful coming together of two things

the concussion of the two football players sent them both to the ground

Synonyms & Similar Words

• collision
• shock
• crash
• impact
• jolt
• thump
• pounding
• bump
• slam
• blow
• impingement
• encounter
• slap
• kick
• contact
• strike
• wallop
• jar
• hit
• jounce
• knock
• punch
• smash
• hammering
• thrashing
• buffet
• rap
• bashing
• battering
• licking
• pummelling
• pummeling
• meeting
• touch
• bludgeoning
• clobbering
• lambasting

2

as in crash

the violent coming together of two bodies into destructive contact

the theory that such a concussion, by a giant asteroid or comet millions of years ago, led to the extinction of the dinosaurs

Synonyms & Similar Words

• collision
• crash
• accident
• wreck
• smashup
• pileup
• crack-up
• smash
• destruction
• demolishment
• ruin

Synonym Chooser

How is the word concussion different from other nouns like it?

Some common synonyms of concussion are collision, impact, and shock. While all these words mean "a forceful, even violent contact between two or more things," concussion when not in technical use, often suggests the shattering, disrupting, or weakening effects of a collision, explosion, or blow.

bystanders felt the concussion of the blast

When is it sensible to use collision instead of concussion?

The words collision and concussion can be used in similar contexts, but collision implies the coming together of two or more things with such force that both or all are damaged or their progress is severely impeded.

the collision damaged the vehicle

When can impact be used instead of concussion?

The synonyms impact and concussion are sometimes interchangeable, but impact may be used to imply contact between two things, at least one of which is impelled toward the other.

the glass shattered on impact with the floor

When is shock a more appropriate choice than concussion?

The words shock and concussion are synonyms, but do differ in nuance. Specifically, shock often denotes the effect produced by a collision and carries the suggestion of something that strikes or hits with force.

the shock of falling rocks

Example Sentences

Recent Examples of concussion

Some of those new details include suffering her first loss to Holly Holm and contemplating suicide post-fight, her history with concussions that preceded her MMA career and her tumultuous relationship with her long-time coach, Edmond Tarverdyan. —Justin Kroll, Deadline, 23 June 2025

The return of A'ja Wilson from a concussion hasn't been enough to get the team back in the win column. —Ben Verbrugge, MSNBC Newsweek, 22 June 2025

After Soleimani was killed, Iran’s retaliatory missile attack against the US’s Al Asad airbase in Iraq was reportedly telegraphed to Baghdad beforehand, possibly helping reduce the level of US injury suffered to mostly concussions. —Nick Paton Walsh, CNN Money, 23 June 2025

Just weeks earlier on March 3, another fight made headlines after a 10th-grade student at Mallard Creek High School in north Charlotte said she was attacked by seven other girls, sustaining a concussion. —Rebecca Noel, Charlotte Observer, 18 June 2025