in·vet·er·a·cy /ɪnˈvɛt(ə)rəsi/
根深蒂固,積習
In·vet·er·a·cy n.
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.
An inveteracy of evil habits that will prompt him to contract more. --A. Tucker.
2. Malignity; spitefulness; virulency.
The rancor of pamphlets, the inveteracy of epigrams, and the mortification of lampoons. --Guardian.
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