Translation guide
The state of being likely to change, fail, or become unbalanced. Covers physical, emotional, political, and technical contexts.
Describing unstable governments, societies, or situations.
The most common and general term for instability in political, economic, or social contexts.
That country is politically unstable.
Noun form emphasizing the degree or quality of instability.
The instability of the political situation is a problem.
Refers to unrest, agitation, or turmoil, often in a social or political context. More emotional than structural.
Social unrest continues.
Describing a person's unstable mood or mental state.
Used for emotional or mental instability, often in clinical or everyday contexts.
He is emotionally unstable.
Noun form for the quality of emotional instability.
Literally 'easiness of mood change', used for mood swings or emotional lability.
Describing objects, structures, or systems that are physically unsteady or prone to collapse.
General term for physical instability, such as an unstable ladder or shaky table.
This desk is unstable.
Refers to wobbliness or shakiness, often for furniture or structures.
Fix the wobbliness of the chair.
Technical term for instability, used in engineering or science.
Describing unstable economic conditions, markets, or prices.
Commonly used for financial instability, such as volatile markets.
The market is unstable.
More formal or technical term for financial instability.
Refers to fluctuation or volatility, often used for prices or exchange rates.
不安定 is the most common adjective/noun. 不安定性 is a technical noun often used in science and engineering. 不安定さ emphasizes the degree or quality of instability and is more colloquial.
This bridge is unstable.
Investigate the instability of the bridge.
I'm concerned about the instability of the bridge.
I'm worried about her mental instability.
Lately, my mood swings are terrible.
The instability of this structure is a problem.
The instability of the financial system is increasing.
為替の変動が激しい。
Exchange rate fluctuations are severe.