chronic

Từ điển Oxford Advanced Learner 8th

chron·ic BrE [ˈkrɒnɪk] NAmE [ˈkrɑːnɪk] adjective
1. (especially of a disease)lasting for a long time; difficult to cure or get rid of
•chronic bronchitis/arthritis/asthma
•the country's chronic unemployment problem
•a chronic shortage of housing in rural areas
Opp: ↑acute
2. having had a disease for a long time
•a chronic alcoholic/depressive
3. (BrE, informal)very bad
•The film was just chronic.
Derived Word: ↑chronically

Word Origin:
[chronic chronically] late Middle English: from French chronique, via Latin from Greek khronikos ‘of time’, from khronos ‘time’.

• Từ đồng nghĩa / Synonyms:
  inveterate, continuing