Word
Kana: みだす Romaji: midasu Level: N1

乱す

Meaning in English

to throw out of order, to disarrange, to disturb

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Dictionary

Word context

What it means

To disturb or disrupt; a transitive verb used to cause disorder, upset balance, or interrupt a state or plan.

Main meanings

  • to disturb or disrupt order, balance, or peace
  • to unsettle someone’s mental or emotional state in a literary or figurative sense
  • to derail a plan, arrangement, or expectation

How to use it

Used in formal and everyday contexts as a transitive verb that takes を after a noun to express causing disorder; common collocations include 秩序を乱す, 平穏を乱す, 計画を乱す, 心を乱す in literary or expressive writing.

Variants and close terms

  • 邪魔する (じゃまする) — hinder or interfere
  • 妨げる (さまたげる) — obstruct or impede
  • 崩す (くずす) — collapse or disrupt

Composition

  • 乱: chaos, disorder — the core meaning
  • す: native verb ending that attaches to a stem to form the verb

Etymology

kanji roots 乱 denotes chaos or disorder, and す is the native verb ending that converts the noun/root into the action of causing that state.

Word class

verb (godan)

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