assiduity
/ˌasɪˈdjuːɪti
/noun (plural assiduities) [mass noun]
1Constant or close attention to what one is doing: the assiduity with which he could wear down his opponents...
- Yet the young mother also hoped the girl could develop the characteristics of persistence, independence and assiduity.
- This valuable volume confirms the dedicated assiduity with which Crawford Seeger channelled her ‘modernist’ instincts into the most refined kind of folk-song transcription she could manage.
- This he followed with patient assiduity, and a mind ever open to the lessons of piety and benevolence which such a study is so well calculated to afford.
1.1 (assiduities) archaic or literary Constant attentions to someone.
Origin
Late Middle English: from Latin assiduitas, from assiduus 'occupied with' (see assiduous).