chronic Synonyms

inveterate continuing continuous long-term protracted incessant deep-rooted recurring recurrent habitual enduring long-standing prolonged persistent abysmal permanent pervasive rooted longsome routine sempervirent settled autoimmune splendid repetitive macrobiotic persisting perpetual perennial perdurable recrudescent pathological ongoing subacute terrible unrelenting longtime built-in institutionalized noninvasive unabating confirmed age-long deep-seated dyed-in-the-wool pathologically yearlong usual long-range untreatable