Labile
Labile: Unstable, unsteady, not fixed.
In psychology or psychiatry, labile denotes free and uncontrolled moods or behaviors expressing emotions.
In biochemistry, labile means easily removable as, for example, a labile hydrogen molecule.
In the context of diabetes, labile is a term used when a diabetic person's blood glucose (sugar) level often swings quickly and widely from high to low and from low to high.
Also called brittle and unstable diabetes or type I diabetes.
Labile comes from the Latin labilis, meaning liable to slip.