C2 adjective /ˈleɪ.baɪl/ or /ˈlæb.aɪl/
labile
不安定な
Meaning
easily altered or unstable; prone to change
Example
Her mood was so labile that it changed several times in an hour.
彼女の気分は非常に不安定で、1時間で何度も変わりました。