ALL meanings of assiduousness
as·sid·u·ous
A a - adjective assiduousness constant; unremitting: assiduous reading. 1
- adjective assiduousness constant in application or effort; working diligently at a task; persevering; industrious; attentive: an assiduous student. 1
- noun assiduousness Conscientious and unremitting diligence. 1