assiduous [uh-sij-oo-uhs] SynonymsExamplesWord Originadjective
- constant; unremitting: assiduous reading.
- constant in application or effort; working diligently at a task; persevering; industrious; attentive: an assiduous student.
Origin of assiduous 1530–40; Latin assiduus, equivalent to assid(ēre) to sit near, beside, dwell close to (see assess) + -uus deverbal adj. suffix; see -ous Related formsas·sid·u·ous·ly, adverbas·sid·u·ous·ness, nounun·as·sid·u·ous, adjectiveun·as·sid·u·ous·ly, adverbun·as·sid·u·ous·ness, nounSynonyms for assiduous 1. continuous, tireless, persistent. 2. studious, diligent, sedulous.Antonyms for assiduous 1, 2. inconstant, lazy. Related Words for assiduous diligent, zealous, scrupulous, indefatigable, exacting, laborious, active, attentive, busy, constant, grinding, industrious, persevering, sedulous, steady, studious, unflagging, untiring, whiz, plugging Examples from the Web for assiduous Contemporary Examples of assiduous
There has been assiduous woo-ing of the political establishment too.
November 12, 2012
As an intern at The Nation in 1989, he was an amiable and assiduous fact-checker of my copy.
October 1, 2010
But despite her allure, her assiduous assault on New York produced no results.
August 11, 2010
His assiduous reporting and his smart, passionate commentary have impressed colleagues and readers alike.
January 22, 2010
Historical Examples of assiduous
Madame Raquin was singularly touched at the assiduous care they took of her.
I think Samoval is becoming too attentive and too assiduous.
She was as pleasant as her husband, and I paid her an assiduous court.
Jacques Casanova de Seingalt
Bellon was an assiduous hackney writer and translator of the day.
William Pyncheon had also a slave who was “assiduous in hangeing.”
Alice Morse Earle
British Dictionary definitions for assiduous assiduous adjective
- hard-working; perseveringan assiduous researcher
- undertaken with perseverance and careassiduous editing
Derived Formsassiduously, adverbassiduousness, nounWord Origin for assiduous C16: from Latin assiduus sitting down to (something), from assidēre to sit beside, from sedēre to sit Word Origin and History for assiduous adj.
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.