How to say "accidental" in Japanese

• 偶発ぐうはつCommon
  suru verb, intransitive verb, no-adjectiveCovers 'accidental' in the sense of an event that occurs by chance or breaks out suddenly, with no one intending it; it characterizes incidents and occurrences that arise spontaneously rather than by design.
• 不慮ふりょCommon
  no-adjectiveEmphasizes the accidental as unforeseen: an accident or mishap that no one expected or anticipated, stressing the sudden, unlooked-for nature of the event rather than mere chance.
  彼かれは不慮ふりょの死しを遂とげた。↗

  He died an unnatural death.

Use 偶発 for the accidental as something that happens by chance or breaks out suddenly without anyone intending it, and 不慮 when stressing that an accident was unforeseen and no one saw it coming.

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

• 偶発ぐうはつsudden outbreak
• 不慮ふりょunforeseen
• 偶発的ぐうはつてきaccidental
• 臨時記号りんじきごうaccidental (sign)
• アクシデンタルaccidental
• 不測ふそくunexpected
• 不期ふきunexpected
• ふとしたimpulsive
• どうかしたslightest