Thesaurus.com
Dictionary.com
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.

See Examples For:

The U.S. assessment attributed the escapes to mismanagement by Syria’s government and a lack of assiduous custody of the camp’s large security perimeter, the U.S. officials said.

From The Wall Street Journal ● Feb. 20, 2026

Norris' success in 2025 was the consequence of a big step in performance in the second half of the season, after assiduous work with his team on improving following a difficult first few races.

From BBC ● Feb. 5, 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

A top-notch campus alone does not produce academic achievement — and, conversely, a brilliant teacher and an assiduous student in a one-room schoolhouse can make for an upstanding education.

From Los Angeles Times ● May 23, 2025

She hastened to ring the bell; and when the tray came, she proceeded to arrange the cups, spoons, &c., with assiduous celerity.

From "Jane Eyre" by Charlotte Brontë




Vocabulary lists containing assiduous


Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training