1) Addicted 2) Affirmed 3) Arrant 4) Avowed 5) Chronic 6) Established 7) Inveterate 8) Unchangeable 1) Not subject to change 2) Of persons 3) Ratified 4) Settled 5) Unchangeable 
[adj] - having been established or made firm or received the rite of confirmation 2. [adj] - of persons
habitual adjective having a habit of long standing; `a chronic smoker`
made certain as to truth, accuracy, validity, availability, etc.: confirmed reports of new fighting at the front; confirmed reservations on the three o'clock flight to Denver. · settled; ratified. · firmly established in a habit or condition; inveterate: a confirmed bachelor. · given additional determination; made resolute. ...