inveteracy
Noun
Meaning
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.
Malignity; spitefulness; virulency.
Source: Webster's dictionarySynonyms
chronic
endurance
hardened
persistence
hardening
seniority
addicted
habitual
compulsive
constancy
firmness
ingrained
incorrigible
inveterate
obdurate
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