ASSIDUITY Synonyms: 28 Similar and Opposite Words

assiduity

noun

ˌa-sə-ˈdü-ə-tē

Definition of assiduity

as in diligence

attentive and persistent effort this project has been successful only through the assiduity of a lot of people

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of assiduity 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 Lee is hardly the first biographer to be wooed by the allure of her subject; to risk being squashed by the weight of her research; or to concede that, despite her assiduity, much will elude her grasp. — Anthony Lane, The New Yorker, 22 Feb. 2021

Recent Examples of Synonyms for assiduity

Noun

What Enterprises Should Do Now For a technology buyer, the practical move is to treat the agent gateway as a diligence checklist rather than a purchase.

— Janakiram MSV, Forbes.com, 6 July 2026
This post-interview diligence is particularly important in today’s tough job market for entry-level workers, according to Hendler-Grunt.

— Sarah Jackson, CNBC, 1 July 2026

Definition of diligence

Noun

Bellingham deserves a mention, too; his tireless running in-behind defences has created space for Kane all through the tournament, while his colossal defensive efforts have helped to maintain balance across the team.

— Jack Pitt-Brooke, New York Times, 11 July 2026
The organization is a main backer of the measure and has supported efforts in other states to prohibit individualized prices for people based on certain personal information.

— Stephen Hobbs, Sacbee.com, 11 July 2026

Definition of effort

Noun

There’s something so beguiling about the obvious irony of the title, the perplexing insistence of the narrator, and the comic persistence of the ghost.

— Casey Cep, New Yorker, 7 July 2026
Maintaining that level of persistence consistently across thousands of leads is operationally difficult for most human teams.

— Chao-Ping Wu, Forbes.com, 7 July 2026

Definition of persistence

Noun

But the incredible expense of maintaining these habitats — and a series of horrible accidents resulting in a few deaths — led to a pullback in federal funding for the undersea habitat industry.

— Alex Harris July 15, Miami Herald, 15 July 2026
To celebrate 25 years of her career in the music industry, and debut album The Spirit Room, the singer-songwriter has announced Everywhere and Back Again, an EP of some of her biggest hits that have been reimagined by other artists.

— Maya Georgi, Rolling Stone, 15 July 2026

Definition of industry

Browse Nearby Words

asseverations

assiduity

assiduous

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“Assiduity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assiduity. Accessed 17 Jul. 2026.

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Synonyms of assiduity

noun

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