неусто́йчивость

rare #32414

nounfeminineinanimateuncountablenoun in -ь

1.
instability, unsteadiness
Неусто́йчивость ку́рса рубля́ пуга́ет инве́сторов.
The instability of the ruble exchange rate scares investors.
Used of markets, structures, the weather, political situations.
2.
unsteadiness, wobbliness
Врач заме́тил неусто́йчивость его похо́дки.
The doctor noticed the unsteadiness of his gait.
Of gait, footing, a piece of furniture.
3.
instability (of character), fickleness, changeableness
Меня́ раздража́ет неусто́йчивость его настрое́ния.
The instability of his mood annoys me.
Of a person's moods, views or resolve.

Examples

Неустойчивость курса валюты беспокоила инвесторов.
The instability of the exchange rate worried investors.
Врачи заметили неустойчивость его пульса.
The doctors noticed that his pulse was irregular.
В стране наблюдалась политическая неустойчивость.
There was political instability in the country.

This noun exists in singular form only.