1. The commitment, effort, and devotion one gives to their professional activities and job responsibilities
Her dedication to work earned her a promotion.
A dedicação dela ao trabalho rendeu-lhe uma promoção.
2. The quality of being diligent, focused, and conscientious in performing occupational duties
His dedication to work was evident in the quality of his projects.
A dedicação dele ao trabalho era evidente na qualidade dos seus projetos.