adj.1 persisting for a long time (usu. of an illness or a personal or social problem).
2 having a chronic complaint.
3 colloq. disp. habitual, inveterate (a chronic liar).
4 Brit. colloq. very bad; intense, severe.
Derivatives:
chronically adv. chronicity n.
Etymology: F chronique f. L chronicus (in LL of disease) f. Gk khronikos f. khronos time