labile

la·bile

adj \ˈlā-ˌbīl, -bəl\

Definition of LABILE

: readily or frequently changing: as a : readily or continually undergoing chemical, physical, or biological change or breakdown <a labile antigen> b : characterized by wide fluctuations (as in blood pressure or glucose tolerance) <labile hypertension> <labile diabetes> c : emotionally unstable

—la·bil·i·ty \lā-ˈbil-ət-ē\ noun, plural la·bil·i·ties