mindmap root((根深蒂固)) inveterate applies to something, such as a habit, attitude, or feeling, of such long existence as to be almost ineradicable or unalterable: an ~ smoker. confirmed implies a growing stronger and firmer with the passage of time so as to resist change or reform: a ~ bachelor. chronic suggests the long duration of something usually undesirable that resists attempts to cure or alleviate: sick and tired of his ~ complaining. deep-seated applies to qualities or attitudes so firmly established as to become part of the very structure: a ~ fear of heights. deep-rooted applies to something deeply established and of lasting endurance: the causes of the problem are ~ and cannot be eliminated overnight.