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

Synonyms & Similar Words

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Antonyms & Near Antonyms

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

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
Taaffe’s diligence, intelligence, understanding of the position (beyond his years) and detailed preparation have earned him the trust of coach Jeff Hafley.

— Barry Jackson, Miami Herald, 23 Sep. 2026

Definition of diligence

Noun

For decades, the European Union has led the world in implementing policies designed to cut emissions, creating the world’s most important price on carbon and crafting the rules of the road for a wide range of regulatory efforts.

— Justin Worland, Time, 3 Oct. 2026
Pan, a pediatrician, made national headlines while in the Legislature for leading California’s efforts to enact strict school vaccine laws.

— Mathew Miranda, Sacbee.com, 3 Oct. 2026

Definition of effort

Noun

Bringing domain controllers online before validating their integrity can restore the attacker’s persistence along with them.

— Robert Bobel, Forbes.com, 29 Sep. 2026
An attacker gains initial access, establishes persistence, escalates privileges, moves laterally and eventually achieves an objective such as data theft or disruption.

— Ascend Agency, New York Daily News, 28 Sep. 2026

Definition of persistence

Noun

America has seen in semiconductors, 5G, and other strategic industries that restrictions alone cannot permanently stall China’s ambitions.

— Patrick McHenry, STAT, 30 Sep. 2026
That’s why the market is flooded with a huge array of organizers, bags and packs, known in the industry as 'everyday carry' (EDC) gear.

— New Atlas, New Atlas, 29 Sep. 2026

Definition of industry

Browse Nearby Words

asseverations

assiduity

assiduous

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Style

“Assiduity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assiduity. Accessed 5 Oct. 2026.

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Synonyms of assiduity

noun

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