clash

clash — verb

1. to get into a physical fight or a loud argument with another person or group, of

1.verbintransitiveC2
Definition

to get into a physical fight or a loud argument with another person or group, often because of a serious disagreement.

Example

The two groups of fans clashed outside the stadium after the final whistle.

clash + with + group; location after event

Protesters clashed with police in the city centre late last night.

clash + with + authority figure

Common collocations
  • clash with police
  • clash over money
  • fans clash
  • troops clash
Synonyms
  • fight

    more general; can refer to any physical struggle

  • confront

    more deliberate; suggests facing someone directly

  • brawl

    specifically a messy physical fight, often in public

Antonyms

Grammar Patterns

clash + with + somebody

clash + over + something

Usage Note

The subject is typically two or more people or groups; a 'clash' is more sudden and violent than a simple argument. Often used with 'with' to name the opponent and 'over' to state the reason.

Common Mistakes

He clashed with his friend about the movie.' (too mild).
He argued with his friend about the movie.
'clash' implies a serious fight or conflict, not just a mild difference of opinion.

2. to be so strongly opposed to each other that two opinions, beliefs, statements,

2.verbintransitiveC2
Definition

to be so strongly opposed to each other that two opinions, beliefs, statements, or qualities cannot both be true or exist together.

Example

Nadia's scientific beliefs clashed with the traditional teachings of her community.

beliefs clash + with + opposing system

The witness's statement clashed sharply with the evidence found at the scene.

statement + clash + with + evidence

Common collocations
  • opinions clash
  • values clash
  • interests clash
  • clash with beliefs
Synonyms
  • conflict

    broader; can be noun or verb; slightly more formal

  • contradict

    specifically about statements or evidence being opposite

  • differ

    milder; just means not the same, not necessarily opposed

Antonyms
  • match

    to be consistent or the same

  • align

    to come into agreement or coordination

Grammar Patterns

clash + with + something

opinions/views/ideas + clash

Usage Note

Subject is always two abstract things (opinions, statements, qualities, personalities) — never two people fighting physically. Use sense 1 for people fighting. Often takes 'with' to introduce the second item.

Common Mistakes

My friend and I clashed about the test.' (if you just disagreed lightly).
My account of the event clashed with the official report.
'clash' means a fundamental conflict, not a casual difference.

3. to compete against another person or team in a sports match or race, usually in

3.verbintransitiveB2
Definition

to compete against another person or team in a sports match or race, usually in a serious and intense way.

Example

Brazil will clash with Germany in the World Cup semi-final next Tuesday.

team + clash with + opponent; sports event

The two top-ranked tennis players clashed in a thrilling final at Wimbledon.

players clash in + event

Common collocations
  • teams clash
  • champions clash
  • clash in the final
Synonyms
  • compete

    more general; can apply to any contest, not just sports

  • face

    neutral reporting term: 'Brazil will face Germany'

  • meet

    the most neutral term for two teams playing

Grammar Patterns

clash + with + opponent

teams clash

Usage Note

Common in sports journalism to describe a highly anticipated or intense match. Unlike sense 1, there is no implication of violence or anger — just strong competition.

Common Mistakes

The teams clashed at the park for a friendly game.
The teams met at the park for a friendly game.
'clash' sounds too dramatic for a casual or friendly match.

4. to look unpleasant or wrong when placed together, especially referring to colour

4.verbintransitiveC2
Definition

to look unpleasant or wrong when placed together, especially referring to colours or design styles that do not combine well visually.

Example

Aiko's bright orange scarf clashed horribly with the purple walls of the café.

colour + clash with + colour

The modern glass table clashed with the antique wooden furniture in the living room.

style + clash with + style

Common collocations
  • colours clash
  • patterns clash
  • clash with the decor
Synonyms
  • conflict

    broader; works for colours but also for many other things

  • not go with

    everyday spoken English: 'that shirt doesn't go with those trousers'

Antonyms
  • match

    to look good together: 'the curtains match the carpet'

  • suit

    to look good on or with something

Grammar Patterns

colours/s + clash + with + colour/s

pattern + clash

Usage Note

Almost always used for colours, patterns, or design styles. The verb is not used in continuous forms (we don't say 'is clashing'). Usually followed by 'with' to name the other element.

Common Mistakes

His loud voice clashed with the quiet room.
His loud voice conflicted with the quiet room.
'clash' for colours/styles only; for other incompatibilities use 'conflict' or 'contradict'.

5. to be scheduled for the same time as another event, causing a problem for people

5.verbintransitiveC2
Definition

to be scheduled for the same time as another event, causing a problem for people who want to attend or take part in both.

Example

The board meeting clashed with the project deadline, so Tomás could not attend both.

event + clash with + event

The two concerts clashed, forcing fans to choose between their favourite bands.

events clash; consequence stated

Common collocations
  • dates clash
  • schedules clash
  • appointments clash
  • clash with a meeting
Synonyms
  • conflict

    more common in American English for scheduling

  • coincide

    neutral; just means at the same time, not necessarily inconvenient

Grammar Patterns

events clash

schedules clash

Usage Note

British English primarily. In American English, 'conflict' is more common for scheduling overlaps. The verb is not used in continuous forms. Often followed by 'with' to name the other event.

Common Mistakes

I clashed with my dentist appointment.
My dentist appointment clashed with my job interview.
the EVENTS clash, not the person. The subject is always two events or a single event that clashes with another.

6. to make or cause a loud, harsh ringing sound like pieces of metal being struck t

6.verbtransitive / intransitiveB2
Definition

to make or cause a loud, harsh ringing sound like pieces of metal being struck together.

Example

The swords clashed loudly as the two knights fought in the courtyard.

metal objects clash (intransitive)

The cook clashed the metal pots together to get everyone's attention in the kitchen.

transitive use: clashed + object + together

Common collocations
  • swords clash
  • cymbals clash
  • pots clash
  • metal clashes
Synonyms
  • clang

    a deeper, louder metallic ring, often from a large bell or metal sheet

  • clank

    a duller, heavier metallic sound

  • ring

    general; can apply to bells, phones, or any clear resonant sound

Grammar Patterns

something clashes

clash + object + against + object

Usage Note

This sense can be intransitive (metal objects clash) or transitive (someone clashes objects together). The sound is typically sharp, ringing, and metallic — not a soft or muffled sound.

Common Mistakes

The door clashed shut.
The door slammed shut.
'clash' is specifically for a ringing metallic sound, not a general loud noise like a door closing.

clash — noun

Word family

  • clashing
    adjectiveC2
  • clashingly
    adverbC2

Synonym discussion

Sense: verb/1

All four words describe a situation where people oppose each other, but they differ in intensity, duration, and focus. 'Clash' suggests a sudden, often violent encounter — two groups of fans clashing after a match is brief and explosive. 'Fight' is broader: it covers everything from a playground scuffle to a planned boxing match, and can be physical or verbal ('they fought over money'). 'Brawl' is specifically a messy, disorganised physical fight involving multiple people, typically in a public place like a bar or street. 'Confront' is more deliberate and direct — to confront someone is to face them intentionally, often verbally, rather than colliding with them in the heat of the moment. For a learner: use 'clash' when the conflict is sudden and dramatic; use 'fight' for most everyday situations; use 'brawl' only for chaotic group violence; and use 'confront' when someone chooses to address a problem head-on. 'The two politicians clashed during the debate' implies a heated spontaneous exchange, while 'the politician confronted her opponent about the lie' suggests a planned, pointed challenge.

clashfightbrawlconfront

Common collocations

Nouns

  • police
  • protesters
  • fans
  • rivals
  • troops
  • cultures
  • opinions
  • interests
  • colours
  • schedules
  • swords
  • cymbals

Adverbs

  • violently
  • repeatedly
  • directly
  • sharply
  • openly

Phrases

  • clash of interests
  • clash of cultures
  • clash of opinions
  • clash of personalities

Prepositions

  • with
  • between
  • over
  • against
  • in

Etymology

GermanicMiddle EnglishEnglish

First recorded in English around the year 1500. The word is likely imitative (onomatopoeic) — it directly echoes the harsh metallic sound it describes ('clash!'). Similar words exist in other Germanic languages: Middle Dutch 'classen' and German 'klatschen' both mean to strike or make a cracking sound. By the 1600s, English speakers were already using the word figuratively for arguments and conflicts, extending the physical noise of metal hitting metal to the 'noise' of opinions colliding. The sporting sense emerged in the early 1900s as newspapers looked for dramatic verbs to describe competitions.