This is the 10296th most frequent French word.
instable
Unstable.
This uses 'instable' to describe a physical structure that is not steady or firm.
Le pont est instable à cause des dégâts récents.
The bridge is unstable due to recent damages.
Here, 'instable' refers to a person's emotional state, indicating rapid changes or volatility.
Son humeur est instable, passant de la joie à la tristesse rapidement.
His mood is unstable, switching from joy to sadness quickly.
In this sentence, 'instable' is used to describe an abstract entity, indicating unpredictability or precariousness in governance.