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

Taken together, these two mistakes represented an almost-unfathomable breach of basic diligence.

— Daniel Duane, New York Times, 14 Oct. 2026
Give Growth Planning An Earlier Starting Point Early marketing diligence gives investors more time to investigate opportunities and develop a credible plan with management.

— James Fratzke, Forbes.com, 13 Oct. 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 president talked up Jackson and Senate candidate Mike Collins as part of the White House effort to boost GOP enthusiasm in the upcoming elections.

— DEMOCRAT-GAZETTE STAFF FROM WIRE REPORTS, Arkansas Online, 17 Oct. 2026
Rowling has been staunchly critical of transgender rights activists, funding legal efforts to protect women’s rights and penning X/Twitter posts that are considered to be attacks by the trans community.

— Jake Kanter, Deadline, 17 Oct. 2026

Definition of effort

Noun

Of course, the persistence of traders to keep doubling down on AI could also be a sign of a bubble.

— Jason Ma, Fortune, 17 Oct. 2026
Passion opens the door, but sustainability requires strong partnerships, financial discipline, persistence and good operations.

— Expert Panel®, Forbes.com, 15 Oct. 2026

Definition of persistence

Noun

An architect’s struggle with Nevada’s state licensing board raises a broader question about how to regulate industry.

— Wendy R. Anderson, Washington Post, 21 Oct. 2026
That is why the question facing governments and the energy industry is changing.

— H.E. Dr Abdulla Saif Al Jarwan, Fortune, 21 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 24 Oct. 2026.

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Synonyms of assiduousness

noun

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