·adj Old; long-established.
II. Inveterate ·adj Malignant; virulent; spiteful.
III. Inveterate ·vt To fix and settle by long continuance.
IV. Inveterate ·adj Having habits fixed by long continuance; confirmed; habitual; as, an inveterate idler or smoker.
V. Inveterate ·adj Firmly established by long continuance; obstinate; deep-rooted; of long standing; as, an inveterate disease; an inveterate abuse.