inveteracy

noun

The state of being inveterate; long continuance; firmness or deep-rooted persistence.

noun

Firm establishment by long continuance; firmness or deep-rooted obstinacy of any quality or state acquired by time; ; — usually in a bad sense.

noun

Malignity; spitefulness; virulency.

noun

The state of being inveterate; long continuance; firmness or deep-rooted persistence.