- 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 on Thesaurus.com
Examples from the Web for assiduousness
From the latter Assiduousness is reached and, finally, Great Services.
By his assiduousness the work was recommenced this same year, and on the 5th of August, 1858, was completed.Hidden Treasures</p>
Harry A. Lewis
- hard-working; perseveringan assiduous researcher
- undertaken with perseverance and careassiduous editing
Word Origin and History for assiduousness
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.