Pronunciation: (kron'ik), [key]
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 acute). Also,chron'i•cal.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.