English Reference
noun · verb

clash

n. · v.
US /ˈkɫæʃ/ UK /klˈæʃ/ clash UK spelling clashed, clashes, clashing

  1. 01 B2 Upper Intermediate

    n.a short fight between groups or a serious argument between people with different ideas.

    n.a skirmish or hostile encounter between opposing groups; also a sharp conflict between differing views or interests.

    Simple

    There was a violent clash between the protesters and the police outside the building.

    In context

    The policy debate was marked by a fundamental clash of ideologies regarding the role of the state in private enterprise.

  2. 02 B2 Upper Intermediate Sport

    n.an important game or competition between two teams.

    n.a competitive encounter between two teams or individuals, often used when the stakes are high.

    Simple

    Fans are excited for the big clash between the two top teams this weekend.

    In context

    The upcoming clash in the quarter-finals is expected to draw record television audiences across the continent.

  3. 03 B2 Upper Intermediate

    n.a loud, sharp sound made when metal objects hit each other.

    n.a loud, resonant sound produced by the forceful impact of metal objects.

    Simple

    The clash of the cymbals marked the end of the musical performance.

    In context

    The sudden clash of steel against steel echoed through the courtyard as the training exercise began.

    clangcrashbang
  4. 04 B2 Upper Intermediate

    v.to happen at the same time as something else, so you cannot do both.

    v.to coincide in time, making it impossible for a person to attend or participate in both events.

    Simple

    I want to go to the party, but it clashes with my evening class.

    In context

    The conference schedule is problematic because several of the most popular workshops clash with the keynote address.

  5. 05 B2 Upper Intermediate

    v.to look very bad together because the colours or styles are too different.

    v.to fail to harmonize or look attractive when paired, particularly regarding colours or patterns.

    Simple

    That bright orange shirt really clashes with your purple trousers.

    In context

    The interior designer warned that the bold wallpaper would clash with the existing antique furniture.

    matchharmonize
  6. 06 C2 Proficiency Dialect

    n.casual talk or gossip about other people.

    n.idle chatter or gossip; social talk about the affairs of others.

    Simple

    She went over to her neighbour's house for a bit of clash and a cup of tea.

    In context

    The local pub was always filled with the clash of the village, where every secret eventually came to light.

    Usage

    Common in Scottish English as both a noun and a verb.

Soldiers removed the tent but not the bedding and other possessions and, after brief clashes with the settlers, withdrew.

The Guardian· 13 Aug 2026

Both protesters and police officers were injured in the Jharkhand clashes, local media reported, although no official figures were released.

The Guardian· 10 Aug 2026

Of onomatopoeic origin. Compare Saterland Frisian klatskje (“to smack, slap”), West Frisian kletse, kletskje, Dutch kletsen (“to smack, slap, clash”), German Low German klattsen, klatsken (“to smack, splash”), German klatschen (“to clap, smack, slap”) and Klatsch (“a clapping sound; the din resulting from two or more things colliding”), Danish klaske (“to clash, splatter”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated