All 4 Uses

chronic
in
Catch-22
(Auto-generated)

He had poor eyesight and chronic sinus trouble, which made war especially exciting for him, since he was in no danger of going overseas.†
Chpt 8 *
I hate to say this, Yossarian, but you're turning into a chronic complainer.'†
Chpt 12
He was handsome and unattractive, a swashbuckling, beefy, conceited man who was putting on fat and was tormented chronically by prolonged seizures of apprehension.†
Chpt 19
His chest ached and he coughed chronically.†
Chpt 32

Definitions:

(1) (chronic)
of something bad: lasting a long time or happening repeatedly -- especially in relation to illness
(2) (meaning too rare to warrant focus)
More rarely, Chronics is a proper noun referring to an Italian pop and punk band.