Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Constant in application or attention; diligent: an assiduous worker who strove for perfection. See Synonyms at busy.
- adj. Unceasing; persistent: assiduous research.
Century Dictionary and Cyclopedia
- Constant in application; attentive; devoted: as, a person assiduous in his occupation; an assiduous physician or nurse.
- Constant; unremitting: applied to actions.
- Synonyms Sedulous, diligent, active, busy, constant, patient, persevering, laborious, unceasing, indefatigable, untiring. See assiduity.
Wiktionary
- adj. Hard-working, diligent or regular (in attendance or work); industrious.
GNU Webster's 1913
- adj. Constant in application or attention; devoted; attentive; unremitting.
- adj. Performed with constant diligence or attention; unremitting; persistent.
WordNet 3.0
- adj. marked by care and persistent effort
Etymologies
- From Latin assiduus, from assidere ("to sit down to"), from ad- ("to") + sedere ("to sit"). (Wiktionary)
- From Latin assiduus, from assidēre, to attend to : ad-, ad- + sedēre, to sit; see sed- in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“Fine, click on the Google "News" tab – and you will be directed to a page of links where the word assiduous appears in news stories.”
The Wall Street Journal: Are Dictionaries Becoming Obsolete?
“Andy Anson, 2018's chief executive, is described as assiduous about keeping the board informed.”
“Meanwhile the hottest debate in the local party is about the use of the word "assiduous" on our election leaflets.”
“a certain number of persons who are called assiduous, exact, fulfilling their strict duty most rigorously, or, what comes to the same thing, for ever in their shops, and carrying on their trade from morning until night, and doing nothing else in the world.”
“The company is "assiduous" about hiring people who conform to the law, Ross said.”
“In October 2005, my man at Scotland Yard told me in how Sir Ian, even after Sir Gus O'Donnell, the cabinet secretary, warned leading civil servants not to regard their memoirs as an intrinsic part of their gold-plated redundancy packages, had been "assiduous" about keeping a diary.”
Telegraph.co.uk: news business sport the Daily Telegraph newspaper Sunday Telegraph
“You have heard from your most talented wordsmiths, best raconteurs, and most assiduous participants.”
“Janet is neither "the most assiduous student ... nor the most naturally gifted" (p. 121).”
“And when he is joined by Russell Barr as a Boswell who is a mixture of close companion, whipping-boy and assiduous note-taker, you feel you are eavesdropping on one of the great double-acts in literary history.”
“In the Beeb Adrian Chiles has earnt many brownie points from Aunty with his exposing of a private remark of dubious taste; his assiduous a***-licking will doubtless much improve his career.”
That’s my excuse and I’m sticking to it! « POLICE INSPECTOR BLOG
Lists
These user-created lists contain the word ‘assiduous’.
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Test Prep or Just for fun
Building a list for standardized test prep or just for learning some new words! Please add any words that you feel are important for the SAT/GRE/GMAT etc...
throng, morass, parley, facile, kismet, strife, jetsam, carrion, annex, harbinger, vestige, surreptitious and 575 more...
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1100
abound, technology, branch of knowled..., prognosticate, automaton, matron, an older married ..., realm, special field of ..., kingdom, annals, historical records and 981 more...
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GRE 2014
abate, abdicate, abase, aberrant, abeyance, abhor, abjure, abortive, abound, abrasive, abreast, abridge and 1577 more...
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501
Classic
aberration, abstruse, anomaly, assiduous, august, banal, boisterous, dulcet, epitome, impudent, insolent, mellifluous and 401 more...
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GRE Barron's 800
abate, abdicate, aberrant, abeyance, abject, abjure, abscission, abscond, abstemious, abstinence, abysmal, accretion and 787 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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501
Classic
abhor, mirth, obtuse, iota, vex, irk, teem, pith, moot, mete, ire, bane and 401 more...
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From reading
Collected from reading
venerate, reprobate, reticent, adoration, ethereal, ephemeral, equivocal, contumacious, heinous, solicitous, agnostic, aberration and 335 more...
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501
Classic
aberration, abstruse, anomaly, assiduous, august, banal, boisterous, dulcet, epitome, impudent, insolent, mellifluous and 401 more...
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(1st_wk_150)-Dec_5_2012
voracious, indiscriminate, eminent, steeped, replete, abound, technology, prognosticate, automaton, matron, paradox, realm and 297 more...
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501
Classic
bane, bilk, boor, elan, ado, toil, onus, aberration, abstruse, anomaly, assiduous, august and 401 more...
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Used
halcyon, ineluctable, inspissated, incarnadine, askance, demur, saltation, requisite, effusive, specious, liminality, indomitable and 114 more...
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Philosophic , etymology
every major discipline has uniquely developed esoteric nomenclature to facilitate interdisciplinary dissemination
quale , qualia, elegy, tacet, lexicon, annunciate, caste, eros, contrive, purlicue, irony, venacular, dilapidate and 567 more...
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Ballardian
All things descriptive from JG
Ballardoperation mindfuck, pataphysics, wahrheitssensible..., polymorphism, postprandial, covalent, stygian, lucus a non lucendo, kafkaesque, leitmotif, fugacious, ablate and 77 more...
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Usable
heathery, delude, pander, revolute, affinity, perturb, dissuade, procure, salacious, counterbalance, listless, auspicate and 8 more...
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man gre
abase, abeyance, abreast, abscission, abscond, abyss, accede, accretion, acerbic, acidulous, acumen, adulterate and 481 more...
Tweets
Looking for tweets for assiduous.
reesetee Really? I always thought it sounded like the taste of lemons. May 1, 2011
blafferty This word sounds like tiny waves taking over a beach. Apr 30, 2011
jwjarvis The assiduous merchant, the laborious husbandman, the active mechanic, and the industrious manufacturer - all orders of men look forward with eager expectation and growing alacrity to the pleasing reward of their toils. Sep 16, 2010
yarb Citation on fungus garden. Dec 5, 2008