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Synonyms

assiduity

American  
[as-i-doo-i-tee, -dyoo-] / ˌæs ɪˈdu ɪ ti, -ˈdju- /

noun

assiduities plural
  1. constant or close application or effort; diligence; industry.

  2. assiduities, devoted or solicitous attentions.


assiduity British  
/ ˌæsɪˈdjuːɪtɪ /

noun

  1. constant and close application

  2. (often plural) devoted attention

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of assiduity

From the Latin word assiduitās, dating back to 1595–1605. See assiduous, -ity

Explanation

When you do something with assiduity, you really focus your attention on it. If you work with assiduity on a research paper, you're sure to get an A. If you've ever watched professional tennis, you've seen players focus with assiduity on their game. Diligent students, serious chess players, and successful businessmen all make great use of their assiduity to get what they want and do their best work. The noun assiduity has been around since the fifteenth century, and it comes from the Latin assiduatem, or "continual presence."

Keep Reading on Vocabulary.com

Vocabulary lists containing assiduity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Despite his scholarly assiduity, Metcalfe is moving down an errant path that will never square the facts with lived experience.

From Los Angeles Times Sep. 19, 2025

The House gave him a reference stating that he "acted with a very high degree of professionalism. He showed discretion, loyalty, assiduity and efficiency... there were no disciplinary issues affecting him".

From BBC May 1, 2018

All it takes is commitment and a little assiduity.

From Time Jan. 9, 2016

"There are no trees. The people are unhealthy in appearance - a circumstance which is attributed to their assiduity in pearl diving, which places a severe strain on the human constitution."

From BBC Dec. 5, 2014

“Be firm, Herbert,” I would retort, plying my own pen with great assiduity.

From "Great Expectations" by Charles Dickens

Night and day I will watch and tend you, till the assiduities of my affection weary out the effects of your cruel disease brought on you—O God!—by your grief for me, your worthless Espras.”

From Wilson's Tales of the Borders and of Scotland, Volume 2 Historical, Traditional, and Imaginative by Wilson, John Mackay

Your best chance would be to double your assiduities to Miss Alscrip.

From The Heiress; a comedy, in five acts by Burgoyne, John

My purse, my ornaments, my amusements, even the assiduities of my admirers, all on which my foolish heart was most fixed, I freely shared with her.

From Discipline by Brunton, Mary

The reputation of Lord Frederick's attentions gave me much more pleasure than the attentions themselves; and my companions knew how to flatter me, by reminding me of his assiduities.

From Discipline by Brunton, Mary

Their women did not marry until after they had arrived at the age of maturity, and had become sensible to the assiduities of courtship. 

From An Account of The Kingdom of Nepal And of the Territories Annexed to this Dominion by the House of Gorkha by Hamilton, Francis

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