Definitions
Century Dictionary and Cyclopedia
- In a pertinacious manner; obstinately; firmly; with pertinacity; resolutely.
Wiktionary
- adv. In a stubbornly resolute manner; tenaciously holding one's opinion or course of action.
WordNet 3.0
- adv. in a dogged and pertinacious manner
Etymologies
- From pertinacious + -ly, from Latin pertināx, from per- ("very") + tenāx ("tenacious"), from teneō ("I hold"). (Wiktionary)
Examples
“The landlady's youngest daughter, an officious little girl of about twelve, volunteered as guide, and, being rejected, followed us pertinaciously from a distance.”
“Thomas Mugridge, so strangely and pertinaciously clinging to life, was soon limping about again and performing his double duties of cook and cabin-boy.”
“In his notes respecting Newspapers and Debating societies he had originally written and pertinaciously retained a downright attack upon Government. —”
“Dr. Orkborne, piqued by this transfer, sullenly followed, and now gave to her, pertinaciously, his undivided attention.”
“The landlord, still clinging pertinaciously to the idea of reaching the ‘point,’ voted for crossing the ravine, and going on round the slope of the mountain.”
“Even when dislodged, he still kept the letter in his mouth; and on my endeavouring to take it from him, at the imminent risk of being bitten, he kept it between his teeth so pertinaciously as to suffer himself to be held suspended in the air by means of the document.”
“You must see to it that your own bodyguard35 are decked with choice accoutrement and arms; you must enforce on them the need to practise shooting pertinaciously; you must expound to them the theory of the javelin, yourself an adept in the art through constant training. 36”
“And touching that mildew upon which the editor of Le Soleil so pertinaciously insists, that he employs the word no less than three times in the brief paragraph just quoted, is he really unaware of the nature of this mildew?”
“One chain of barren and uninteresting hills succeeded another, until the more fertile vale of Clyde opened upon us; and, with such despatch as we might, we gained the town, or, as my guide pertinaciously termed it, the city, of”
““Yes, Sir,” or “No, Sir,” being more interested in the music than in his patron; that it was only indeed when Greville himself thrummed pertinaciously from memory that he could stand it no longer, and broke into vivacious conversation — it was only when he found that young Burney was both gifted and well bred that, being himself a very clever man, he no longer stood upon his dignity.”
Lists
These user-created lists contain the word ‘pertinaciously’.
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Personal Vocabulary List
All my favourite words that I come across!
veritable, incongruence, rigamorole, letcherous, revolting, repulsive, reputrid, rapatious, forays, guise, placate, paradigm and 1162 more...
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Adverbia
A long list of adverbs, beginning with full-drive. Someone had to list them. This list in continued in the list More Adverbia.
Read some sniping and some informative commentary about a...full-drive, portentously, unlawfully, legally, heterogeneously, consumingly, clancularly, inconsolably, prepositionally, retrogressively, symptomatically, decrepitly and 2460 more...
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Wuthering Heights
From Wuthering Heights
sagacity, austere, surmise, corroborating, malignity, ensconing, copious, perforce, obviate, dilapidation, must needs, palaver and 154 more...
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i like how these sound or look
twittering, chooky, tekeli-li, ivrogne, feckless, pertinaciously, reprehensible, scorpling, ductility, illimitable, fickleness, licentiousness and 6 more...
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Wuthering Heights
A list of vocabulary words accumulated while reading Wuthering Heights.
lachrymose, cudgel, caprice, egress, churl, insolence, portend, vociferate, culpable, expostulate, cur, spectre and 33 more...
Tweets
Looking for tweets for pertinaciously.

bilby "Disputes with men, pertinaciously obstinate in their principles, are, of all others, the most irksome; except, perhaps, those with persons, entirely disingenuous, who really do not believe the opinions they defend, but engage in the controversy, from affectation, from a spirit of opposition, or from a desire of showing wit and ingenuity, superior to the rest of mankind."
- David Hume, An Enquiry into the Principles of Morals.
Jun 8, 2009
artm Seated far aft in the ship, I read Edgar Poe’s book with sedulous attention, but I was not unaware of the fact that Hunt, whenever his duties furnished him with an opportunity, observed me pertinaciously, and with looks of singular meaning.
Jules Verne, "Antarctic Mystery", English translation: Mrs. Cashel Hoey, 1899 Mar 12, 2009