- 1working very hard and taking great care that everything is done as well as it can be synonym diligent
- 2 one of the most assiduous members of the team their assiduous efforts and attention to detail She was assiduous in her duties.
assiduityjump to other results
NAmE//ˌæsəˈduət̮i//, NAmE//‑ˈdʒu‑//noun [uncountable]
He worked assiduously to earn the money for his son's education.
assiduously adverbjump to other results