介入(かいにゅう)

かいにゅう
noun, suru-verb
intervention; involvement; stepping in
1. intervention; involvement; stepping in
The act of getting involved in a situation, dispute, or matter, often when one is not directly a party to it. Used for both positive interventions (helping) and negative ones (meddling).
政府(せいふ)が市場(しじょう)に介入(かいにゅう)した。
The government intervened in the market.
他国(たこく)の内政(ないせい)に介入(かいにゅう)すべきではない。
We shouldn't intervene in other countries' internal affairs.
警察(けいさつ)が介入(かいにゅう)して事態(じたい)を収(おさ)めた。
The police stepped in and resolved the situation.

KANJI BREAKDOWN:

  • 介(かい) - mediate, between
  • 入(にゅう) - to enter

COMMON COLLOCATIONS:

  • 市場(しじょう)介入(かいにゅう) - market intervention
  • 為替(かわせ)介入(かいにゅう) - currency intervention
  • 軍事(ぐんじ)介入(かいにゅう) - military intervention
  • 内政(ないせい)介入(かいにゅう) - interference in domestic affairs
  • 介入(かいにゅう)を避(さ)ける - to avoid intervening

CONTEXT:

介入(かいにゅう) is common in:

  • 政治(せいじ) - politics (government/international intervention)
  • 経済(けいざい) - economics (market/currency intervention)
  • 紛争(ふんそう) - conflict resolution
  • 人間関係(にんげんかんけい) - interpersonal matters

NUANCE:
Can be positive (helping to resolve a situation) or negative (meddling in others' affairs), depending on context.

RELATED VOCABULARY:

  • 干渉(かんしょう) - interference (more negative nuance)
  • 関与(かんよ) - involvement, participation
  • 仲裁(ちゅうさい) - mediation, arbitration

REGISTER:
Neutral to formal. Common in news, politics, and formal discussions.

Related Words

Antonym: 傍観(ぼうかん) (looking on)
general
Added 2026.1.19 17:14 · Revised 2026.1.24 23:24
07000/07425_kainyuu