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[in-vet-er-it] /ɪnˈvɛt ər ɪt/
settled or confirmed in a habit, practice, feeling, or the like:
an inveterate gambler.
firmly established by long continuance, as a disease, habit, practice, feeling, etc.; chronic.
Origin of inveterate
late Middle English
1375-1425; late Middle English < Latin inveterātus (past participle of inveterāre to grow old, allow to grow old, preserve), equivalent to in- in-2 + veter- (stem of vetus) old + -ātus -ate1; cf. veteran
Related forms
inveterately, adverb
inveterateness, noun
1. hardened, constant, habitual. 2. set, fixed, rooted. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for inveterately
Contemporary Examples
Historical Examples
  • And then inveterately, before she could say—he enjoyed so much coming to this: "What will have squared Lady Castledean?"

    The Golden Bowl Henry James
  • She hasn't been anything whatever, I surmise, that she has not inveterately been.

    Embarrassments Henry James
  • When they came to the milestone, there sat the gray man, cracking away as inveterately as ever.

  • The Indians pursued them inveterately, and soon all were killed or taken.

    The Pearl of the Andes Gustave Aimard
  • If she did, she would probably seek to check the first faint revivings of cheerfulness in her inveterately gay spirit.

    Alas! Rhoda Broughton
  • You are an inveterately bad girl, and a false sister, and I have done with you.

    Our Mutual Friend Charles Dickens
  • He starts at chance noises as inveterately as Laura herself.

  • She inveterately accused persons of being persons, and brought them to her judgment bar to account for themselves.

    The Debatable Land Arthur Colton
  • No: my hands were too white, my manners too inveterately gentleman-like, for all artisan disguise.

    A Rogue's Life Wilkie Collins
British Dictionary definitions for inveterately


long established, esp so as to be deep-rooted or ingrained: an inveterate feeling of hostility
(prenominal) settled or confirmed in a habit or practice, esp a bad one; hardened: an inveterate smoker
(obsolete) full of hatred; hostile
Derived Forms
inveteracy, inveterateness, noun
inveterately, adverb
Word Origin
C16: from Latin inveterātus of long standing, from inveterāre to make old, from in-² + vetus old
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for inveterately



late 14c., from Latin inveteratus "of long standing, chronic," past participle of inveterare "become old in," from in- "in, into" (see in- (2)) + veterare "to make old," from vetus (genitive veteris) "old" (see veteran).

Online Etymology Dictionary, © 2010 Douglas Harper
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inveterately in Medicine

inveterate in·vet·er·ate (ĭn-vět'ər-ĭt)

  1. Firmly and long established; deep-rooted.

  2. Persisting in an ingrained habit; habitual.

in·vet'er·a·cy (-ər-ə-sē) or in·vet'er·ate·ness n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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