What is the synonym of the word 'Labile'?

• Labile (adjective)
English Meaning: Liable to unpredictable variation or changes.
Bangla Meaning: অস্থির; পরিবর্তনশীল; স্থানান্তরপ্রবণ; চঞ্চল; অস্থির; পরিবর্তনপ্রবণ।

Synonyms: Volatile (ভঙ্গুর, পরিবর্তনশীল), Fickle (চঞ্চল), Explosive, Unpredictable (অপ্রত্যাশিত, অনিশ্চিত) Irregular (অনিয়মিত)।

Antonyms: Stable (স্থির), Steady (দৃঢ়), Constant (পরিবর্তনহীন, দৃঢ়), Fixed (স্থির), Regular (নিয়মিত)।

Example Sentence:
1. A 44-year-old man was seen crying because his generally stable and easily controlled hypertension had recently become labile.
2. It is the home of the lapwing, curlew, golden plover, dunlin and red grouse.

Source: Website Lecture.