adj.
- (of an illness) persisting for a long time or constantly recurring.
▸(of a problem) long-lasting.
▸having a bad habit:
a chronic liar.
- Brit. informal of a very poor quality.
Derivative
- chronically adv.
- chronicity n.
Etymology
ME: from Fr. chronique, via L. from Gk khronikos ‘of time’, from khronos ‘time’.