Collide vs Hit vs Run into vs Slam

When to use each in English, with meaning, register, and examples.

Collide

Top 2,000 (common)C1verb

Hit

Top 1,000 (very common)A2verb

Run into

Top 2,000 (common)

Slam

InformalTop 1,000 (very common)C1verb
 CollideHitRun intoSlam
Pronunciation🇬🇧 //kəˈlaɪd//🇺🇸 //kəˈlaɪd//🇬🇧 /["/hɪt/","/hɪts/","/ˈhɪtɪŋ/"]/🇺🇸 /["/hɪt/","/hɪts/","/ˈhɪtɪŋ/"]/🇬🇧 //rʌn ˈɪntuː//🇺🇸 //rʌn ˈɪntu//🇬🇧 /["/slæm/","/slæmz/","/slæmd/","/ˈslæmɪŋ/"]/🇺🇸 /["/slæm/","/slæmz/","/slæmd/","/ˈslæmɪŋ/"]/
MeaningTo hit or crash into something.To touch or strike something with force.to meet someone unexpectedlyto hit something very hard or shut it forcefully
ExampleThe two cars collided at the intersection.He decided to hit the ball with the bat.I ran into an old classmate at the grocery store.He slammed the door shut after the argument.
RegisterNeutralNeutralNeutralInformal
How commonTop 2,000 (common)Top 1,000 (very common)Top 2,000 (common)Top 1,000 (very common)
CEFR levelC1A2-C1
Part of speechverbverbverb
Collocationscollide with, collide head-on, collide violentlyhard, repeatedly, directly, want to, be going to, in, on, with, hit somebody over the head, hard, repeatedly, directly, want to, be going to, in, on, with, hit somebody over the head, hard, repeatedly, directly, want to, be going to, in, on, with, hit somebody over the head, hard, repeatedly, directly, want to, be going to, in, on, with, hit somebody over the head, badly, hard, heavilyrun into trouble, run into a friend, run into a problemhard, loudly, angrily, hear something, against, behind, into, slam something home, slam on the brakes, slam (something) shut, hard, loudly, angrily, hear something, against, behind, into, slam something home, slam on the brakes, slam (something) shut
Antonymsmerge, combine, connectmiss, avoid, passavoid, miss, evadelift, open, softly close
Common mistakesConfused with 'combine' - remember, collide means to crash., Using with intransitive structure incorrectly - 'collide with' is the correct form., Overusing in metaphors - ensure it fits the context.Confused with 'hit' when referring to success; use 'achieved' instead., Using 'hitted' instead of 'hit' for past tense., 'Hit' can be confused with 'strike' but is more casual.Confused with 'run onto', meaning to reach a physical location., Using in the wrong tense, e.g., 'I run into him yesterday.', Confusing with 'bump into', which has a similar meaning.Using 'slam' in the passive voice incorrectly — e.g., 'was slammed by the door' instead of 'the door was slammed'., Confusing 'slam' with 'slip' or 'slide'., 'Slam' is often mistakenly used to describe gentle actions.
Usage notesCommonly used in scientific and everyday contexts. Avoid using in overly informal situations.Commonly used in both physical contexts (like hitting a ball) and metaphorical ones (like hitting a deadline). Avoid using it in overly formal contexts.Use 'run into' when meeting someone by chance. It is appropriate in casual conversations but can also be used in more formal settings, though alternatives like 'encounter' may be preferred.Use 'slam' informally to describe hitting or closing something with force. It's common in casual conversations but might not be appropriate in formal settings.

See it in real clips

Hit
Run into

Frequently asked questions: Collide vs Hit vs Run into vs Slam

What's the difference between Collide, Hit, Run into, and Slam?

Collide: To hit or crash into something. Hit: To touch or strike something with force. Run into: to meet someone unexpectedly Slam: to hit something very hard or shut it forcefully

Can you show an example of each?

Collide: The two cars collided at the intersection. Hit: He decided to hit the ball with the bat. Run into: I ran into an old classmate at the grocery store. Slam: He slammed the door shut after the argument.

Can I use Collide, Hit, Run into, and Slam interchangeably?

Not always. Collide, Hit, Run into, and Slam are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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