Chronic

[kron-ik] /ˈkrɒn ɪk/

adjective
1.
constant; habitual; inveterate:
a chronic liar.
2.
continuing a long time or recurring frequently:
a chronic state of civil war.
3.
having long had a disease, habit, weakness, or the like:
a chronic invalid.
4.
(of a disease) having long duration (opposed to ).
noun
5.
Slang. .
[kron-ik] /ˈkrɒn ɪk/
noun, Slang.
1.
very potent .
/ˈkrɒnɪk/
adjective
1.
continuing for a long time; constantly recurring
2.
(of a disease) developing slowly, or of long duration Compare acute (sense 7)
3.
inveterate; habitual: a chronic smoker
4.
(informal)

adj.

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)
adj.
Of long duration. Used of a disease of slow progress and long continuance.
chronic
(krŏn’ĭk)
Relating to an illness or medical condition that is characterized by long duration or frequent recurrence. Diabetes and hypertension are chronic diseases. Compare acute.

noun

Marijuana; pot: Smoking a spliff of high-octane chronic (1990s+)