clash

When two things clash, they run violently into each other, often with an accompanying loud noise. The percussionist in an orchestra has the enviable job of making two cymbals clash together.

Kids clash when they run into each other on the playground, but they can also clash through a strong disagreement: "My cousins always clash when it comes to deciding what movie to watch after dinner." Also, your shirt might clash with your pants, if the colors or prints simply don't go together. Clash is imitative — it sounds like its original meaning, "make a loud, sharp sound," and may be related to the words clap and crash.

Definitions of clash
  1. verb
    crash together with violent impact
    “Two meteors clashed
    synonyms: collide
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    types:
    smash
    collide or strike violently and suddenly
    shock
    collide violently
    crash, ram
    undergo damage or destruction on impact
    type of:
    collide with, hit, impinge on, run into, strike
    hit against; come into sudden contact with
  2. verb
    disagree violently
    “We clashed over the new farm policies”
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    type of:
    differ, disagree, dissent, take issue
    be of different opinions
  3. verb
    be incompatible; be or come into conflict
    “These colors clash
    synonyms: collide, jar
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    type of:
    conflict
    be in conflict
  4. noun
    a state of conflict between persons
    synonyms: friction
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    type of:
    conflict
    a state of opposition between persons or ideas or interests
  5. noun
    a minor short-term fight
    synonyms: brush, encounter, skirmish
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    types:
    contretemps
    an awkward clash
    type of:
    combat, fight, fighting, scrap
    the act of fighting; any contest or struggle
  6. noun
    a state of conflict between colors
    “her dress was a disturbing clash of colors”
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    type of:
    conflict
    a state of opposition between persons or ideas or interests
  7. noun
    a loud resonant repeating noise
    synonyms: clang, clangor, clangoring, clangour, clank, crash
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    type of:
    noise
    sound of any kind (especially unintelligible or dissonant sound)
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