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Related to inveteracy: cadaverously


1. Firmly and long established; deep-rooted: inveterate preferences.
2. Persisting in an ingrained habit; habitual: an inveterate liar. See Synonyms at chronic.

[Middle English, from Latin inveterātus, past participle of inveterārī, to grow old, endure : in-, causative pref.; see in-2 + vetus, veter-, old; see wet- in Indo-European roots.]

in·vet′er·a·cy (-ər-ə-sē), in·vet′er·ate·ness n.
in·vet′er·ate·ly adv.
References in classic literature ?
We shall only add, therefore, that the Puritan--so, at least, says chimney-corner tradition, which often preserves traits of character with marvellous fidelity--was bold, imperious, relentless, crafty; laying his purposes deep, and following them out with an inveteracy of pursuit that knew neither rest nor conscience; trampling on the weak, and, when essential to his ends, doing his utmost to beat down the strong.
But as the mind does not exist unless leagued with the soul, therefore it must have been that, in Ahab's case, yielding up all his thoughts and fancies to his one supreme purpose; that purpose, by its own sheer inveteracy of will, forced itself against gods and devils into a kind of self-assumed, independent being of its own.
She and her father would unquestionably be guilty of this crime, and this woman (the inveteracy of whose pursuit cannot be described) would wait to add that strength to her case, and make herself doubly sure.