1. diligent, careful, and persistent effort or labor; work characterized by constant and dedicated attention to detail
Through assiduous work, she completed her thesis ahead of schedule.
Através do trabalho assíduo, ela completou sua tese antes do previsto.
2. continuous and meticulous application to a task or profession
His assiduous work in the laboratory led to a groundbreaking discovery.
Seu trabalho assíduo no laboratório levou a uma descoberta revolucionária.