chronic

adjectives

being long-lasting and recurrent or characterized by long suffering
"chronic indigestion"; "a chronic shortage of funds"; "a chronic invalid"
antonym
is similar to
(of illness) marked by gradual deterioration of organs and cells along with loss of function
"degenerative diseases of old age"
domain category
the branches of medical science that deal with nonsurgical techniques
of long duration
"chronic money problems"
habitual
"a chronic smoker"