- constant; unremitting: assiduous reading.
- constant in application or effort; working diligently at a task; persevering; industrious; attentive: an assiduous student.
Origin of assiduous
SynonymsSee more synonyms for assiduous on Thesaurus.com
Examples from the Web for assiduous
There has been assiduous woo-ing of the political establishment too.Camilla Will Never Be Queen: Prince Charles Capitulates On Website FAQ
November 12, 2012
As an intern at The Nation in 1989, he was an amiable and assiduous fact-checker of my copy.Britain's New Political Dynasty
October 1, 2010
But despite her allure, her assiduous assault on New York produced no results.How Desiree Landed Her Gig
August 11, 2010
His assiduous reporting and his smart, passionate commentary have impressed colleagues and readers alike.Introducing Beast Books
January 22, 2010
Madame Raquin was singularly touched at the assiduous care they took of her.Therese Raquin
I think Samoval is becoming too attentive and too assiduous.The Snare
She was as pleasant as her husband, and I paid her an assiduous court.The Memoires of Casanova, Complete
Jacques Casanova de Seingalt
Bellon was an assiduous hackney writer and translator of the day.The Works of Aphra Behn
William Pyncheon had also a slave who was "assiduous in hangeing."Customs and Fashions in Old New England
Alice Morse Earle
- hard-working; perseveringan assiduous researcher
- undertaken with perseverance and careassiduous editing
Word Origin and History for assiduous
1530s, from Latin assiduus "attending; continually present, incessant; busy; constant," from assidere "to sit down to," thus "constantly occupied" at one's work; from ad "to" (see ad-) + sedere "to sit" (see sedentary). The word acquired a taint of "servility" in 18c. Related: Assiduously; assiduousness.