assiduous

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.

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

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

His team-mate Oscar Piastri had progressed significantly through some assiduous work with the team over the winter, and Norris was not feeling the car in the way he needed to be quick.

From BBC • Dec. 7, 2025

The drumbeat of criticism had spread to business leaders, including some of Trump’s most assiduous supporters in the billionaire and millionaire class.

From Los Angeles Times • Apr. 11, 2025

Mary would sit and watch me by the hour together: then she would take lessons; and a docile, intelligent, assiduous pupil she made.

From "Jane Eyre" by Charlotte Brontë