Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Persistent application or diligence; unflagging effort.
- n. Constant personal attention and often obsequious solicitude. Often used in the plural.
Century Dictionary and Cyclopedia
- n. Constant or close application to any business or occupation; diligence.
- n. Solicitous care of a person or persons; constant personal attention: usually in the plural.
- n. Hence Sycophantic attention; servility.
- n. Synonyms Industry, Assiduity, Application, Diligence, Constancy, Perseverance, Persistence, care, attention, watchfulness, sedulousness, patience. Diligence in labor often conveys the idea of quickness. Industry keeps at work, leaving no time idle. Assiduity (literally, a sitting down to work) sticks quietly to a particular task, with the determination to succeed in spite of its difficulty, or to get it done in spite of its length. Application, literally, bends itself to its work, and is, more specifically than assiduity, a steady concentration of one's powers of body and mind: as, he was a man of extraordinary powers of application; Newton attributed all his own success to application. Diligence is, literally, fondness for one's work, and so, by a natural transfer, industry that is alert. Constancy is the power to continue unchanged, as in affection, or to hold on in any particular course or work: it goes more deeply into character than the others. Perseverance suggests obstacles from without or within which are steadily met, and is morally neutral. Persistence may be good, but it is more often an evil perseverance, as obstinacy or a determination to carry one's point against unwillingness or refusal on the part of others. We speak of plodding industry, patient assiduity, steady application, great diligence, unshaken constancy, undaunted perseverance, persistence that will not take No for an answer.
Wiktionary
- n. Great and persistent toil or effort.
GNU Webster's 1913
- n. Constant or close application or attention, particularly to some business or enterprise; diligence.
- n. Studied and persevering attention to a person; -- usually in the plural.
WordNet 3.0
- n. great and constant diligence and attention
Examples
“The motive of this assiduity was at length revealed to me, by a violent and fervent declaration of love, which astonished and perplexed me.”
“Or maybe a nap first, since I honestly have no clue if I used "assiduity" properly above, a sure sign that I'm tired.....”
“Their battalions practised skirmishing on the glacis with that routine assiduity which is the secret of the German military success.”
“They had been filling the plates and glasses of these two ladies all the way from Calcutta; they had walked with them every day on deck, had fetched their chairs, picked up their handkerchiefs, and looked after their bottled beer at tiffin-time with an assiduity which is more than commendable in such warm latitudes.”
“In all respects unlike himself, she suffered intensely; and, though hoary with sixty winters, hovered about him, with that busy assiduity which is one of the simplest forms in which anxiety and grief are apt to show themselves.”
Swallow Barn, or A Sojourn in the Old Dominion. In Two Volumes. Vol. II.
“The fact that Britain at last opened her eyes to the opportunity afforded to the Allies to rally this powerful people to their side was attributable to the initiative, the assiduity and the fervour of one of the greatest Hebrews of all time: Dr. Chaim Weizmann …”
“But in reality he seems to have had a fairly shrewd sense of the potential scale and scope of this enterprise and to have laid the foundations of widespread recruitment with some assiduity.”
“I shall from this day take the firm resolution to study with renewed assiduity, to keep my attention always well fixed on whatever I am about, and to strive to become every day less trifling and more fit for what, if Heaven wills it, I'm some day to be.”
“He had a better seat on a horse than Dara, he knew almost all of the Quran by heart, and he cultivated the nobles at court with an assiduity Dara should have employed but did not.”
“Given the assiduity with which the ill-bred and deranged pursue it, I say it ought to be.”
Meghan McCain: "Sarah Palin is the only part of the campaign that I won’t comment on publicly."
Lists
These user-created lists contain the word ‘assiduity’.
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probablyankita's list
Words are all I have to take your heart away
apartheid, techno-klutz, logorrheic, gordian knot, anodyne, odor of sanctity, finders keepers, foot-in-mouth dis..., dutch uncle, masquerade, smoke signals, furtive glance and 320 more...
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Rare Words - A
Not just rare words, but thousands of RARE WORDS WITH DEFINITIONS.
If you want to see the definitions, too, go to
http://phrontistery.i...aba, abacinate, abactor, abaculus, abaft, abampere, abapical, abarticular, abasement, abasia, abask, abatis and 1214 more...
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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phrontistery - a
from phrontistery.info
axilla, avalement, argil, argent, argand, arete, aretaics, areometer, areology, arenoid, arenaceous, arefy and 1214 more...
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cicatrix
scar tissue
minatory, naira, Cluniac, embracive, prolix, hierophant, timorous, adduce, veracious, dysphoric, sang-froid, vitiate and 503 more...
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The Aubrey/Maturin List I'm Gonna Mak...
I'm wading through Patrick O'Brian's Aubrey/Maturin novels one by one, and someday, I'll wade through them again and list all the words I learned while reading them.
Edit: I started ma...studdingsail, carronade, mumchance, grumlin-futtocks, crosscat-harpings, holystone, sennit, orlop, orchitis, negus, kevel, altumal and 1112 more...
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Jane Eyre
abigail, sanguine, chancel, bourne, peremptorily, parley, unwonted, fagging, convolvuli, tarry, insuperable, execrations and 190 more...
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Daily
Daily Vocab List
lull, pious, lurid, objurgate, insurgent, lewd, patio, onus, lampoon, geisha, larceny, maim and 206 more...
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School Words
hagiography, antediluvian, rakish, impeccable, hackneyed, irascible, nascent, teetotaller, suffragette, amiable, expiate, turbulent and 110 more...
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Tolland's list
Those I've come across and try to keep fresh within my mind.
clandestine, dysphoric, indictive, vigil, fractious, assiduous, indefatigable, ubiquitous, insidious, paroicous, aplomb, sangfroid and 654 more...
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GRE Vocab
laconic, penchant, charlatan, inimical, exhort, avuncular, quandary, irascible, trestle, repudiate, subterfuge, rapine and 132 more...
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The Anatomy of a Ghost
Andrew Taylor
luddite, guile, double-fronted, guileless, fanlight, gangling, sedan chair, rout, ashlar, potation, inviolate, sash and 22 more...
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Anna Karenina Part Three
Currently on hold.
The words.
Also see Part Twobanal, decanter-woman, frock-coat, Wiesbaden, emaciation, quaver, infatuation, atone, dissipated, deign, vestible, irately and 72 more...
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ILLITERATI LIST 1
specious, propaedeutic, assiduity, ad hominem, scamped, mimetic, contemn, polemical, hortatory, susurration, selachian, ophidaphobia and 2 more...
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Bachelard: The Poetics of Space
words I looked up while reading
panegyrics, topophilia, lares, oneirism, klaxoning, vaunted, presage, proferred, bugling, dovetailing, russet, diaphanous and 25 more...
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Rip Van Winkle
descry, chivalrous, henpecked, domestic tribulation, obsequious, conciliating, malleable, curtain lecture, termagant, uxorious, squabble, dodge and 23 more...
Tweets
Looking for tweets for assiduity.

chained_bear It took me three tries to type this right. I keep typing 'assiduIDity' instead of 'assiDUity.' Can't we just say "assiduousness"?
"'...I had told you all about Adanson before, and at great length—his assiduity, his countless books, his misfortune. I beg your pardon. There is nothing more profoundly boring, more deeply saddening, than a repeated tale.'"
--P. O'Brian, The Commodore, 213 Mar 17, 2008