未然(みぜん)に

みぜんに
adverb
before it happens; in advance
formalwrittentime-general
1. before it happens; in advance; beforehand
Describes preventing something bad from occurring before it actually happens. Almost always used with verbs meaning 'to prevent' or 'to stop.' A formal expression common in written language and official contexts.
事故(じこ)を未然(みぜん)に防(ふせ)ぐ。
To prevent an accident before it happens.
犯罪(はんざい)を未然(みぜん)に防止(ぼうし)するための対策(たいさく)が必要(ひつよう)だ。
Measures to prevent crime before it occurs are necessary.
定期(ていき)点検(てんけん)によって故障(こしょう)を未然(みぜん)に防(ふせ)ぐことができる。
Regular inspections can prevent breakdowns before they happen.

Usage

Almost exclusively used in the pattern 未然(みぜん)に防(ふせ)ぐ or 未然(みぜん)に防止(ぼうし)する. A formal, written-style expression. The word 未然(みぜん) literally means 'not yet having occurred.'

Common collocations

Similar words

  • 事前(じぜん)に: in advance — more general; used for planning and preparation, not limited to prevention
  • あらかじめ: beforehand, in advance — everyday equivalent for general advance preparation

Related Words

Synonym: 事前(じぜん) (in advance (general))
Synonym: 予(あらかじ)め (beforehand (everyday))
Compare: 事前(じぜん)に (in advance)
general
Added 2026.3.20 21:18 · Revised 2026.9.2 13:01
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