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.

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assiduity British  

/ ˌæsɪˈdjuːɪtɪ /

noun

1. constant and close application

2. (often plural) devoted attention

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Other Word Forms

Noun Inflected Forms

• assiduities
  plural

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Etymology

Origin of assiduity

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

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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."

Example Sentences

See Examples For:

assiduity assiduities

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

And exercising judgement requires a specific set of virtues, the virtues you would hope to find in a jury of your peers: impartiality, assiduity, sincerity.

From "The Invention of Science" by David Wootton

No doubt as soon as he discovers that it is honest labour and not play that is expected of him he will trouble her with no more of his assiduities.

From Doctor Cupid by Rhoda Broughton

If father and mother possess æsthetic sensibilities, these are offended probably by the plainness and the lack of graces in their offspring—bye-products merely of their economic assiduities.

From Feminism and Sex-Extinction by Arabella Kenealy

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

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

She at once warmly and fervently attached herself to Mildred, and won her way into our lady's esteem by the most amiable assiduities.

From Horse-Shoe Robinson A Tale of the Tory Ascendency by John Pendleton Kennedy

His last moments were solaced by the tender assiduities of his congenial helpmate, of his children, and of his old and long-familiar friends.

From Southern Literature From 1579-1895 A comprehensive review, with copious extracts and criticisms for the use of schools and the general reader by Louise Manly

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