衰退
The process of a country, industry, or culture losing power, strength, or vigor and moving toward a decline.
Examples
3 of 5かつての賑やかな商店街も今は衰退してしまった。
The once busy shopping street has now declined.
帝国は内部の腐敗によって衰退した。
The empire declined due to internal corruption.
この町、最近どんどん衰退してる気がする。
I feel like this town is declining more and more lately.
Word Family
Memory Tip
Suitai sounds like 'Stay down'. Once it declines, it stays down.
Quick Quiz
新しい技術の登場により、古い産業が（ ）するのは避けられない。
Correct!
The correct answer is: 衰退
Examples
かつての賑やかな商店街も今は衰退してしまった。
everydayThe once busy shopping street has now declined.
帝国は内部の腐敗によって衰退した。
formalThe empire declined due to internal corruption.
この町、最近どんどん衰退してる気がする。
informalI feel like this town is declining more and more lately.
ローマ帝国の衰退については多くの説がある。
academicThere are many theories regarding the decline of the Roman Empire.
市場の衰退を食い止めるための戦略が必要です。
businessA strategy is needed to halt the decline of the market.
Word Family
Common Collocations
Common Phrases
衰退を招く
to lead to decline
国家の衰退
decline of a nation
衰退を免れる
to escape decline
Often Confused With
Teika is used for numbers/quality (like temperature), while Suitai is used for systems, civilizations, or industries.
Usage Notes
Often used in IELTS Reading/Writing when discussing historical civilizations or modern economic shifts.
Common Mistakes
Don't use it for simple objects breaking; it's for systems/groups.
Memory Tip
Suitai sounds like 'Stay down'. Once it declines, it stays down.
Word Origin
From 'sui' (weaken) and 'tai' (retreat).
Grammar Patterns
Cultural Context
Often discussed in Japan regarding rural areas (genkai shuraku).
Quick Quiz
新しい技術の登場により、古い産業が（ ）するのは避けられない。
Correct!
The correct answer is: 衰退
Related Vocabulary
More history words
繁栄
B1The state of being successful, flourishing, or thriving, especially regarding wealth or growth of a nation or business.
先駆者
B2A pioneer or a person who is among the first to explore or settle a new country or area of knowledge. Someone who paves the way for others.
過渡期
B2A transition period or a stage of development when things are changing from an old state to a new one. It is often characterized by instability.
台頭
B2The emergence or rise of a new power, influence, movement, or technology that gains prominence. It literally means 'raising one's head.'
産業革命
B2The transition to new manufacturing processes in Europe and the US, in the period from about 1760 to sometime between 1820 and 1840.
出現
B2The act of appearing or coming into existence. Often used for new technologies, species, or social phenomena.
過渡
B2A state or period of transition from one stage, condition, or era to the next. It implies instability and ongoing change.
遺跡
B1The remains of a building, town, etc. from the past, especially one that is important in history or archaeology.
交易
B1The exchange of goods and services, especially between different groups or countries; trade.
発掘
B1The act of digging something up out of the ground, especially archaeological remains or resources like coal or oil.
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