悪化(あっか)

あっか
noun, verb (suru)
deterioration, worsening
1. deterioration, worsening, aggravation
The process of something becoming worse in condition, quality, or state.
症状(しょうじょう)が悪化(あっか)した。
The symptoms worsened.
天候(てんこう)の悪化(あっか)で試合(しあい)が中止(ちゅうし)になった。
The match was canceled due to worsening weather.
治療(ちりょう)を放置(ほうち)すると病状(びょうじょう)がさらに悪化(あっか)するおそれがある。
If treatment is neglected, there is a risk of the condition worsening further.

USAGE:
A versatile word used for any kind of worsening — health, weather, relationships, economic conditions, environmental situations, etc. Frequently appears in news reports.

SIMILAR WORDS:

  • 悪化(あっか): neutral, factual worsening
  • 深刻化(しんこくか): becoming serious/grave (emphasizes severity)
  • 劣化(れっか): degradation (often for materials or quality)

COMMON COLLOCATIONS:

  • 症状(しょうじょう)が悪化(あっか)する: symptoms worsen
  • 関係(かんけい)が悪化(あっか)する: relations deteriorate
  • 治安(ちあん)の悪化(あっか): worsening public safety
  • 経済(けいざい)の悪化(あっか): economic deterioration
  • 悪化(あっか)の一途(いっと)をたどる: to go from bad to worse
general
Added 2026.2.13 14:17
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