**Here are 10 examples of using the word «unstable» in English:**
1. The economic situation in the country is very unstable, and it is difficult to predict when things will improve.
2. The weather in this region is known to be unstable, with sudden changes in temperature and precipitation.
3. After the divorce, her emotional state became unstable, and she started to experience anxiety and depression.
4. The company's financial situation is unstable, and there are concerns about its ability to stay afloat.
5. The relationship between the two countries has been unstable for years, with periods of tension and conflict alternating with brief periods of peace.
6. The construction of the building was halted due to an unstable foundation, and engineers are working to find a solution.
7. The political situation in the region is unstable, with frequent protests and demonstrations.
8. The athlete's performance has been unstable lately, with some good performances alternating with poor ones.
9. The internet connection in this area is often unstable, making it difficult to use online services.
10. The mental health of the patient has been unstable since the accident, and they require ongoing care and support.