Long continuance, or the firmness or deep rooted
obstinacy of any quality or state acquired by time; as the inveteracy of custom and habit; usually or always applied in a bad sense; as the inveteracy of
prejudice, of error, or of any evil habit.
1. Firm establishment by long continuance; firmness or deep-rooted
obstinacy of any quality or state acquired by time; as, the inveteracy of custom, habit, or disease; -- usually in a bad sense; as, the inveteracy of
prejudice or of error.