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Definitions

assiduous

[uh-sij-oo-uhs] / əˈsɪdʒ u əs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“For Heaven’s sake,” he wrote to Congress, “be more assiduous in getting your letters here.”

From The Wall Street Journal • Apr. 3, 2026

Powell’s assiduous outreach to his colleagues gives him a good overview of where the proverbial bodies are buried, giving colleagues ample time to voice their objections.

From Barron's • Dec. 12, 2025

As the physician Peter Lipson, an assiduous pursuer of bogus medical claims, observed back in 2009, “DSHEA, as it was written and as it was intended, facilitates the legal marketing of quackery.”

From Los Angeles Times • Oct. 17, 2025

For assiduous followers of this contest, the arguments from Jenrick, Badenoch and Tugendhat will have felt familiar.

From BBC • Oct. 2, 2024

Columbus had been an itinerant peddler of old maps and an assiduous reader of the books by and about the ancient geographers, including Eratosthenes, Strabo and Ptolemy.

From "Cosmos" by Carl Sagan




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