急変(きゅうへん)

きゅうへん
noun, suru verb
sudden change, sudden turn
1. sudden change, abrupt turn, rapid deterioration
A sudden and dramatic change in situation, condition, or circumstances. Often used for negative changes, especially in medical contexts (a patient's sudden deterioration) or weather and political situations.
天気(てんき)が急変(きゅうへん)した。
The weather changed suddenly.
患者(かんじゃ)の容態(ようだい)が急変(きゅうへん)した。
The patient's condition took a sudden turn.
国際(こくさい)情勢(じょうせい)の急変(きゅうへん)により、政府(せいふ)は対応(たいおう)を迫(せま)られている。
Due to the sudden change in international affairs, the government is being pressured to respond.

USAGE:
急変(きゅうへん) emphasizes the suddenness and dramatic nature of a change. It is frequently used in medical contexts for a patient's sudden worsening, in weather reports for abrupt changes, and in news for political or social upheaval.

COMMON COLLOCATIONS:

  • 容態(ようだい)が急変(きゅうへん)する: a patient's condition takes a sudden turn
  • 天気(てんき)が急変(きゅうへん)する: the weather changes suddenly
  • 事態(じたい)が急変(きゅうへん)する: the situation changes dramatically
  • 情勢(じょうせい)の急変(きゅうへん): sudden change in the situation

SIMILAR WORDS:

  • 急変(きゅうへん): sudden change (dramatic, often negative)
  • 変化(へんか): change (neutral, general)
  • 激変(げきへん): radical change (even stronger than 急変(きゅうへん))
  • 一変(いっぺん): complete change (transformation)

Related Words

Related: 急増(きゅうぞう) (rapid increase)
general
Added 2026.2.22 14:54
12500/12692_kyuuhen