The word chronic is often used with a negative tint, referring to diseases and habits that have a pessimistic touch. It should be avoided use in otherwise positive situations.
The dictionary definitions for Chronic are as follows:
1. Lasting for a long period of time or marked by frequent recurrence, as certain diseases.
2. Constantly recurring, habitual.
Usage examples for Chronic:
1. His chain-smoking has made him a chronic addict.
2. Little Johnny is a chronic liar, and nobody plays with him anymore.