A vitiated digestion I believe always terminates, if not cured, in the production of some chronical disorder.
And scarce any one chronical distemper whatever, but has some degree of this evil faithfully attending it.
It raged mostly among children and youths, and was wont to affect them with a long and, as it were, a chronical sickness.
We often wish that some gallant, useful man, who is dying of a chronical disease, might yet live longer.
I have oft known the acute and chronical diseases of afflicted ones relieved by prayer without any natural means.
early 15c., of diseases, "lasting a long time," from Middle French chronique, from Latin chronicus, from Greek khronikos "of time, concerning time," from khronos "time" (see chrono-). Vague disapproving sense (from 17c.) is from association with diseases and later addictions.
chronic chron·ic (krŏn'ĭk)
Of long duration. Used of a disease of slow progress and long continuance.
Relating to an illness or medical condition that is characterized by long duration or frequent recurrence. Diabetes and hypertension are chronic diseases. Compare acute.
Marijuana; pot: Smoking a spliff of high-octane chronic (1990s+)