Main Page | See live article | Alphabetical index Chronic ( Greek chronos) - for example a chronic illness is one that persists for a long time, usually more than three months. By analogy, this adjective has come to describe the solution of a problem that is not possible in a short time, or that if once solved will recur. Examples of chronic conditions: chronic bronchitis chronic lymphocytic leukemia chronic fatigue syndrome See also: acute, subacute. "The chronic" is also a slang term for cannabis. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.