How to say "clash" in Japanese

• 打ち合わせるうちあわせるJLPT N1approx.Common
  ichidan verb, transitive verbCovers the literal sense of clashing or striking against each other, things physically knocking together. For arguments or conflicts of opinion this is seldom the word you want; it really describes physical collision or striking.
• 食い違いくいちがいCommon
  nounA noun for a clash in the sense of a discrepancy or disagreement, where accounts, opinions or positions fail to match. It suggests things diverging rather than colliding head-on, as in a clash between testimonies.
  ２人ふたりの意見いけんには大おおきな食い違くいちがいがあった。↗

  There was a great gap between the views of the two.
• 衝突しょうとつJLPT N3approx.Common
  noun, suru verb, intransitive verbThe most versatile choice: a clash as a collision, skirmish or conflict, whether physical fights, violent confrontations between groups, or discord between people. Use this when you simply mean a clash or conflict.
  日米にちべいの利害りがいがこの点てんで衝突しょうとつした。↗

  Japanese and American interests clashed on this point.
• 激突げきとつCommon
  noun, suru verb, intransitive verbA clash with strong intensity, typically of views, interests, or teams facing off, as in a showdown between rivals. Choose it when the clash is high-profile or fierce rather than a minor disagreement.
  この週末しゅうまつには２つの最強さいきょうのチームが激突げきとつする。↗

  The two strongest teams will clash with each other this weekend.
• 食い違うくいちがうJLPT N1approx.Common
  godan verb, intransitive verbThe verb for opinions clashing or differing, or for something running counter to the facts. Use it when positions or accounts fail to line up, rather than for physical or violent confrontation.
  私わたしたちの意見いけんが食い違くいちがうのはこの点てんです。↗

  It is on this point that our opinions differ.

Use 衝突 or 激突 for physical or confrontational clashes, 激突 especially for intense clashes of views, interests or teams; 「食い違い」 and 「食い違う」 for disagreements or mismatches; 「打ち合わせる」 is mainly about knocking or striking together.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 打ち合わせるうちあわせるto knock together
• 食い違いくいちがいdifference
• ぶつかり合うぶつかりあうto collide
• かち合うかちあうto clash
• 牴牾ていごdisagreement
• 小戦しょうせんbrush
• 相打つあいうつto fight each other
• ぶつかるto clash (of opinions, people, etc.)
• 衝突しょうとつclash
• 激突げきとつclash (of views, interests, teams, etc.)
• 食い違うくいちがうto differ (e.g. of opinions)
• じゃーんclash
• すれ違うすれちがうto be at odds
• 行き違うゆきちがうto have a misunderstanding
• 掛け違うかけちがうto differ (e.g. of opinions)