ASSIDUOUSNESS Synonyms: 28 Similar and Opposite Words

assiduousness

noun

Definition of assiduousness

as in diligence

attentive and persistent effort with painstaking assiduousness investigators finally cracked the case of the stolen works of art

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Recent Examples of Synonyms for assiduousness

Noun

Leaders should understand their data, governance, diligence processes and decision rights before a live opportunity puts them under pressure.

— Rusty Wiley, Forbes.com, 1 Oct. 2026
Instead of dwelling on the past, fulfill your duties objectively and with diligence.

— Abigail Van Buren, Mercury News, 25 Sep. 2026

Definition of diligence

Noun

While the Queen Mother was very fond of this Queen Victoria tiara and wore it with relative assiduity, her daughter only wore it once in public, on an official trip to Malta in November 2005.

— Ana Serrano, Glamour, 7 Dec. 2025
These indestructible treasures have always been buried in matter, awaiting the invention of scanning electron microscopes and scientists with enough assiduity to spend decades on end peering into their atomic eyes.

— Virginia Heffernan, WIRED, 21 Mar. 2023

Definition of assiduity

Noun

The discovery is a huge victory for conservation efforts across the Indian Ocean.

— Mrigakshi Dixit, Interesting Engineering, 10 Oct. 2026
In yet another battle between the states and social media platforms, Florida asked a state judge to order changes on Instagram and Facebook in an effort to protect young users.

— Arkansas Online, Arkansas Online, 10 Oct. 2026

Definition of effort

Noun

Then there’s a clearing of throats, and like malware, the narratives begin to establish persistence over mood and multiply.

— David Fear, Rolling Stone, 12 Oct. 2026
The dehumanization of Black people represented by the persistence of Confederate iconography in mainstream culture became an underground signifier of the precariousness of the freedoms enshrined by the 14th Amendment.

— Owen Gleiberman, Variety, 10 Oct. 2026

Definition of persistence

Noun

After its market launch at Mipcom, the show will present at industry events in Europe and is eying the festival circuit for an official premiere.

— Scott Roxborough, HollywoodReporter, 14 Oct. 2026
The city’s government started restricting when and where horse carriages could operate in the 1980s, and legislation to ban the industry was first announced in 2008.

— Claire Carter, The Washington Examiner, 14 Oct. 2026

Definition of industry

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assiduously

assiduousness

assign

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“Assiduousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assiduousness. Accessed 14 Oct. 2026.

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Synonyms of assiduousness

noun

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