A specific use to which something is put:
Diligence is defined as determination and careful effort.
A standardized tradition of toolmaking associated with a specified tool or culture:
Steady attention and effort, as to one's occupation
Strength or density, as of a solution
Find another word for assiduity. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for assiduity, like: application, assiduousness, diligence, industriousness, industry, sedulousness, industrious, concentration, painstakingness and thoroughgoingness.